SOLUTION: I need help on this question it says Solve the systems using substitution.
3x + 2y = -4
x + 2y = -8
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Question 558534: I need help on this question it says Solve the systems using substitution.
3x + 2y = -4
x + 2y = -8
Answer by jerryguo41(197) (Show Source): You can put this solution on YOUR website!
Move x over to other side
Usually you would have to divide by two, however since you can directly substitute into the other equation, there is no need.
Substitute -x-8 for 2y the first equation
Simplify
Move -8 over by adding eight
thus
To solve for y plug x into any of the original equations
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