Solving an equation means finding the value or values for which the two expressions on each side of the equals sign are equal. One of the most common methods used to solve equations is the balance ...

A number machine is a way of writing rules using a flow diagram. The equation \(3j - 6 = 9\) can be shown on a number machine by writing out the functions that have been applied to \(j\) in the order ...

Quizzes, puzzles, and brain teasers hold a special charm for many, combining entertainment with a healthy dose of mental exercise. The thrill of cracking a particularly challenging puzzle can provide ...