Asked by Marty

7r-3s=18
3r+7s=16
Solve by the elimination method, please.
Answered by Anonymous
7r-3s=18
3r+7s=16
21r -9s =54
-21r-49s=-112
-58s=-58
solve for s, then put that back into one of the equations to solve for r
Answered by kim
solve by elimination

7r-3s=-17

3r+7s=59
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