Question

2r - 3s = 12
3r + 2s = 21
SOLVE BY SUBSTITUTION EASY MEDAL

Answer 1

by substitution means we need to solve one of the equations for either r or s...then use that to sub into the other equation.

Answer 2

let's say we want to solve 2r-3s=12 for r
could you isolate r?

Answer 3

@UnicornPoopCookies

Answer 4

Thanks Austin