SOLUTION: solve by the substition method 9x+9y=-27 and -4x+y=22
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Question 238509: solve by the substition method 9x+9y=-27 and -4x+y=22
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use eq. 2,
Substitute into eq. 1, but simplify eq. 1 first,
Use either eq. to find y.
(x,y)=(-5,2)
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