Have you ever come across a math problem that seems easy at first glance, only to realize that most people get it wrong? The equation 9 – 9 ÷ 9 + 9 – 9 ÷ 9 = ? is one such puzzle that confuses many. It looks simple, but if you’re not careful, you might end up with the wrong answer.
Are you ready to put your math skills to the test? Take a moment to solve it before reading ahead. Think you got it right? Let’s find out!
Why Do So Many People Get This Wrong?

At first glance, this equation appears straightforward. However, small details in mathematical rules trip people up. Here are some common mistakes that lead to the wrong answer:
- Ignoring the Order of Operations (PEMDAS/BODMAS) – Many people solve the problem from left to right without following the correct order of operations.
- Misplacing Parentheses (Even When They Aren’t Written) – Some assume parentheses where there are none, changing how they approach division and subtraction.
- Rushing Through the Calculation – The problem is designed to look easy, so people tend to solve it quickly and overlook critical steps.
So, what’s the correct approach? Let’s break it down step by step.
Step-by-Step Solution
To solve this equation correctly, we must follow the order of operations. The most commonly used rule is PEMDAS (Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)).
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The given equation:
9 – 9 ÷ 9 + 9 – 9 ÷ 9
Step 1: Solve the Division First
According to PEMDAS, division comes before subtraction and addition. So, let’s divide first:
- 9÷9=19 ÷ 9 = 19÷9=1
- 9÷9=19 ÷ 9 = 19÷9=1
Now, substitute these values back into the equation:
9 – 1 + 9 – 1
Step 2: Perform Addition and Subtraction from Left to Right
Now, we calculate in order from left to right:
- 9 – 1 = 8
- 8 + 9 = 17
- 17 – 1 = 16
So, the correct answer is: 16
Common Incorrect Answers and Why They Happen
Many people arrive at incorrect answers because they don’t follow the correct order of operations. Here are some of the most common mistakes:
- Answer: 0 – This happens when someone groups all the numbers together without following PEMDAS, incorrectly simplifying the problem as:
9−9−9+9−9=09 – 9 – 9 + 9 – 9 = 09−9−9+9−9=0 - Answer: 1 – Some mistakenly subtract 9 from itself first before dividing, leading to:
(9−9)÷9+9−9÷9=1(9 – 9) ÷ 9 + 9 – 9 ÷ 9 = 1(9−9)÷9+9−9÷9=1
These errors reinforce the importance of following the correct mathematical rules step by step.
Why Understanding Order of Operations Matters
You might wonder—why does it even matter? Well, mathematics is built on logical rules, and following them correctly ensures we get consistent, accurate answers. The order of operations is used in everything from programming to engineering to everyday calculations.
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Think about it this way: If a recipe tells you to bake a cake at 350°F for 30 minutes before adding frosting, you wouldn’t reverse the steps, right? Math works the same way—sequence matters!
Put Your Skills to the Test
Did you get the correct answer? Share your response in the comments! Were you surprised by how easy it was to make a mistake?
If you enjoy solving puzzles like this, challenge your friends and see if they can get it right! Math riddles help improve problem-solving skills and boost logical thinking.
Want more brain teasers like this? Keep testing yourself with tricky puzzles and improve your critical thinking skills! Who knows? The next time you see a math problem like this, you might be among the 10% who get it right on the first try!
Dan Haggerty, Who Played Grizzly Adams

In the 1974 motion picture “The Life and Times of Grizzly Adams” and the corresponding NBC television series, Dan Haggerty played a bear named Ben and a gentle mountain man with a thick beard. Haggerty died in Burbank, California, on Friday.
His age was 73 years old.

Terry Bomar, his manager and friend, said that spine cancer was the cause.
A producer invited Mr. Haggerty, who worked as an animal trainer and stuntman in Hollywood, to recreate parts of the movie’s opening moments, which featured a woodsman and his bear.
The story, which was based on Charles Sellier Jr.’s book “The Life and Times of Grizzly Adams,” told the story of a California man who flees the woods after being falsely convicted of murder. There, he tames an abandoned bear and makes friends with the local fauna.
Mr. Haggerty agreed, as long as he could play the entire movie. At last, ticket sales for the film nearly hauled in $30 million after it was redone for $155,000. Subsequently, it was adapted for television, and in February 1977, Mr. Haggerty resumed his role as the forest’s protector and animal friend, with an emphasis on environmental issues.
The New York Times writer John Leonard called the first episode “lukewarm to the heart.” The man and bear who have taken up residence in a log cabin are visited by Mad Jack (Denver Pyle) and the honorable red man Makuma (Don Shanks), who bring bread and advice. As they leave the cabin, the man traps his fur and the bear washes it. Along with a lump in the throat, there’s also a lot of wildlife connection with raccoons, owls, deer, rabbits, hawks, badgers, and cougars.
Mr. Haggerty, who later won the 1978 People’s Choice Award for best new series actor, was won over by viewers of the show because to its cozy and nostalgic appeal. The 1978 television film “Legend of the Wild,” which was eventually shown in theaters in 1981, and the 1982 television film “The Capture of Grizzly Adams,” which followed Adams as he was hauled back to his hometown by bounty hunters in an attempt to clean his record, were the products of “Grizzly Adams.”
Daniel Francis Haggerty was born in Los Angeles on November 19, 1942. His upbringing was challenging following his parents’ divorce when he was three years old, and he frequently broke out of military school. He eventually went into Burbank, California, to live with his actor father.
At seventeen, he was married to Diane Rooker. The marriage ended in divorce. He lost Samantha Hilton, his second wife, in a motorcycle accident in 2008. Don, Megan, Tracy, Dylan, and Cody are his surviving children.
He costarred as body builder Biff alongside Frankie Avalon and Annette Funicello in his feature début, “Muscle Beach Party,” released in 1964. Then came appearances in documentaries about the natural world and motorcycling, like “Bearded Biker” and “Biker With Bandana.” He briefly appeared in the movie “Easy Rider” as a guest of Dennis Hopper and Peter Fonda in the hippie commune.
On his small ranch in Malibu Canyon, Mr. Haggerty actually housed a variety of wild creatures that he had either tamed from birth or saved from harm. In addition to occasional parts in films, his talents earned him work as an animal trainer and stuntman on the television series Tarzan and Daktari. In 1978, he claimed, “People magazine didn’t like actors jumping on them.”
In his outdoor-themed films, “Where the North Wind Blows” (1974) and “The Adventures of Frontier Fremont” (1976), he played a Siberian tiger trapper. He made an appearance as a dog trainer in the David Carradine film “Americana” (1983). In the 1997 film “Grizzly Mountain” and the 2000 film “Escape to Grizzly Mountain,” he played a character that bore a strong resemblance to Grizzly Adams.
Mr. Haggerty played an inebriated mall Santa in horror films including “Axe Giant: The Wrath of Paul Bunyan” (2013), “Terror Night” (1987), and “Elves” (1989) as his career declined. In 1985, he was sentenced to ninety days in prison for providing cocaine to two undercover police agents.
In 1977, a careless diner with a burning cocktail set fire to Mr. Haggerty’s famous beard. He made a third-degree burn attempt on his arms while attempting to douse the fire. He was admitted to the hospital, where he would probably need a month of therapy.
He told People, “I was like a wounded wolf trying to heal myself for the first few days—I just laid in the dark room drinking water.” “Nurses tried to give me morphine and pushed me to open the curtains.” Sometimes, however, animals know more about medicine than people do. He walked out of the hospital after ten days.
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