Asked by vanessa
Use linear combinations to solve these systems. 5r-3s=12 3r+55=28
Answers
Answered by
Ms. Sue
3r+55=28
3r = -27
r = -9
5r-3s=12
(5 * -9) - 3s = 12
-45 -3s = 12
-3x = 57
x = -19
3r = -27
r = -9
5r-3s=12
(5 * -9) - 3s = 12
-45 -3s = 12
-3x = 57
x = -19
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