SOLUTION: What is the solution for the following system of equations? x = -y x + 2y = 6

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Question 252499: What is the solution for the following system of equations?
x = -y
x + 2y = 6
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
substitute -y for x in the second equation
-y+2y=6
y=6
x=-y
substitute 6 for y
x=-6