SOLUTION: Would someone please help me solve this problem: y-xy=-10 x-2y=-7 Thank you.

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Question 63797: Would someone please help me solve this problem:
y-xy=-10
x-2y=-7
Thank you.
Answer by stanbon(48558) About Me  (Show Source):
You can put this solution on YOUR website!
1st: y-xy=-10
2nd: x-2y=-7
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Solve 2nd for x to get: x=2y-7
Substitute into 1st to get:
y-(2y-7)y=-10
y-2y+7=-10
-y=-17
y=17
Substitute into x=2y-7 to solve for x.
x=2(17)-7
x=27
SOLUTION:
x=27; y=17
Cheers,
Stan H.