SOLUTION: 2x-y=15 2x+3y=-13 What is the solution of the system?

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Question 329672: 2x-y=15
2x+3y=-13
What is the solution of the system?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
2x-y=15
2x+3y=-13
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Subtract the 1st equation from the 2nd and solve for "y":
4y = -28
y = -7
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Substitute into 2x-y=15 and solve for "x":
2x+7=15
2x = 8
x = 4
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Solution: (4,-7)
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Cheers,
Stan H.
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