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OpenStudy (unicornpoopcookies):
2r - 3s = 12 3r + 2s = 21 SOLVE BY SUBSTITUTION EASY MEDAL
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OpenStudy (freckles):
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.
OpenStudy (freckles):
let's say we want to solve 2r-3s=12 for r could you isolate r?
OpenStudy (anonymous):
@UnicornPoopCookies
OpenStudy (unicornpoopcookies):
Thanks Austin
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