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

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) (Show Source): You can put this solution on YOUR website!
2y+4y+45=-9
6y=-54
y=-9
-------------------------------
x=4*-9+45
x=-36+45
x=9
------------------
2*-9+9=-9
-18=-18
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