SOLUTION: -4x+7y=9 2y=-5x-22 solve using addition method

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Question 202913: -4x+7y=9
2y=-5x-22
solve using addition method

Answer by vleith(2983)   (Show Source): You can put this solution on YOUR website!

Mult by 7

mult by 2

Now add them


----------------------


Now solve for y and you're there


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