-20=5y+7(9y-7)

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Solution for -20=5y+7(9y-7) equation: 



-20=5y+7(9y-7)

We move all terms to the left:

-20-(5y+7(9y-7))=0



We calculate terms in parentheses: -(5y+7(9y-7)), so:

5y+7(9y-7)

We multiply parentheses

5y+63y-49

We add all the numbers together, and all the variables

68y-49

Back to the equation:

-(68y-49)



We get rid of parentheses

-68y+49-20=0

We add all the numbers together, and all the variables

-68y+29=0

We move all terms containing y to the left, all other terms to the right

-68y=-29

y=-29/-68

y=29/68

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