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OpenStudy (redneckoutlaw):
Solving Systems Of Equations by Substitution y=7x-10 y=-3 I remember how, but not sure how do to these. Do i have to plug -3 in for x?
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OpenStudy (camerondoherty):
If y = -3 Then plug in y into the first equation and solve for x... I think
OpenStudy (anonymous):
|dw:1416783777925:dw| x=1 plug in -3 whenever you see y
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