SOLUTION: x-3y=7 2x-5y=13 solve by substitution

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Question 150376: x-3y=7
2x-5y=13
solve by substitution

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x-3y=7
2x-5y=13
solve by substitution
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Solve the 1st for "x":
x = 3y+7
Substitute that into the 2nd to get:
2(3y+7) - 5y = 13
y = -1
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Substitute into x = 3y+7 to solve for "y":
x = 3*-1+7
x = 4
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Cheers,
Stan H.