Everyone agreed on the first step: Solve inside the parentheses, for 2+2=4. But after that, people split down two paths. Some multiplied first, while others divided, leading to different answers—1 and ...

A graphic artist is testing everyone’s knowledge of algebra and spot-the-difference skills with a pictograph math problem that assigns numbers to different fruits. Gergely Dudás, of Hungary Budapest, ...

X, the variable, is a robot sent to a space station on a mission. He must fight through the team of operatives on the station in order to solve the problem and to solve for X.