Okay, so I know that as soon as someone tells me what method to use, I'm gonna instantly remember it, but right now, I can think of only 1 way to solve simultaneous equations, and that doesn't work so ...

Changing the subject of the formula is a process of rearranging a formula so that a different variable is the subject. Module 7 (M7) – Algebra - Simultaneous equations Simultaneous equations are two ...