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, ...

Simultaneous equations are two or more equations with two or more variables. They are simultaneous because they can be solved to give values for the variables that are equal in each equation. This is ...

For example, the simultaneous equations \(3a + 2b = 17\) and \(4a - b = 30\) have no common coefficient as the coefficients of \(a\) are 3 and 4, and the coefficients of \(b\) are 2 and -1. Remember ...