Equations often contain algebra. Algebra is used in Maths when we do not know the exact number in a calculation - this unknown value can be replaced with a letter. We solve an equation by working ...

So is it true that only geniuses can solve this math equation? I reached out to a mathematics professor to help me run the numbers on this tricky math problem. Get Reader’s Digest‘s Read Up ...

Business Insider spoke with Mo Gawdat, chief business officer of Google X and author of "Solve for Happy," who talked about how to solve your unhappiness by using his "Happiness Equation".