SOLUTION: solve the system by the addition method. x+4y=-13 4x +3y=-13 the solution set is?

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Question 351043: solve the system by the addition method.
x+4y=-13
4x +3y=-13
the solution set is?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply the 1st eqn by -4, then add them.