Get out your timer and number two pencil to see if your arithmetic skills are still sharp.
An equation is a mathematical statement showing that two expressions are equal. The two expressions are linked with an equals symbol (=). The unknown variable (often the letter \(x\)) can take any ...
It began early this week when a Twitter user named Em tweeted the equation 8 ÷ 2(2 + 2) = ?. Many calculated the problem and came up with an answer of 16. But others did the math just as confidently ...