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-17y+10y+-12=9

Guest May 12, 2017
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-17y+10y+-12=9    add 12 to both sides

 

-17y+ 10y   =   21       simplify the left side

 

-7y    = 21       divide both sides by -7

 

y  =  -3

 

 

cool cool cool

CPhill  May 12, 2017

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