SOLUTION: x+2y=-1 2x-3y=12 Solve using substitution.

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Question 552418: x+2y=-1
2x-3y=12
Solve using substitution.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x+2y=-1
2x-3y=12
Solve using substitution.
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x = -2y-1
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Substitute for "x" and solve for "y":
2(-2y-1) - 3y = 12
----
-4y -2 -3y = 12
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-7y = 14
y = -2
----
Solve for "x":
x = -2y-1
x = -2*-2-1
x = 3
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Cheers,
Stan H.
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