SOLUTION: how do you solve -7x-2y=-13 x-2y=11 using Substitution

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Question 1103787: how do you solve -7x-2y=-13 x-2y=11 using Substitution
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
solve
-7x-2y=-13
x-2y=11
using Substitution
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Solve for "x"::
x = 2y+11
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Substitute for "x" and solve for "y"::
-7(2y+11) - 2y = -13
-14y - 77 -2y = -13
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-16y = 64
y = -4
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Solve for "y"::
x = 2y+11
x = 2(-4)+11
x = 3
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Cheers,
Stan H.
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