SOLUTION: Please help!!!! Solve by the addition method. 4x-5y=22 and x+2y=-1

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Question 930687: Please help!!!!
Solve by the addition method.
4x-5y=22 and x+2y=-1

Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!

......eq.1
.......eq.2...multiply by
________________
......eq.1
.......eq.2
_________________________add eq.1 and eq.2



...solve for



go to eq.2, substitute for
.......eq.2
...solve for


solution is: (,)




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