SOLUTION: x=4y+45 Solve the system using the substitution methon 2y+x=-9

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Question 372773: x=4y+45 Solve the system using the substitution methon
2y+x=-9
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2y+4y+45=-9
6y=-54
y=-9
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x=4*-9+45
x=-36+45
x=9
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2*-9+9=-9
-18=-18