SOLUTION: Solve linear equation by using substuition 3x+5y=-12 -2x+7y=8

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Question 1069882: Solve linear equation by using substuition
3x+5y=-12
-2x+7y=8
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Pick an equation and solve for one variable.

Substitute this into the other equation and solve for the value of one variable.

Use the value in the first-picked equation.