Solve the system by the substitution method x+3y=-2, y=-2x-24

asked Jun 24, 2017 160k views

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x + 3(-2x - 24) = -2
x - 6x - 72 = -2
-5x - 72 = -2
+ 72
-5x = 70
÷ -5
x = -14
Let me know if you have any questions!

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