3(-20y-20)=-5(17+7y)

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Solution for 3(-20y-20)=-5(17+7y) equation: 



3(-20y-20)=-5(17+7y)

We move all terms to the left:

3(-20y-20)-(-5(17+7y))=0

We add all the numbers together, and all the variables

3(-20y-20)-(-5(7y+17))=0

We multiply parentheses

-60y-(-5(7y+17))-60=0



We calculate terms in parentheses: -(-5(7y+17)), so:

-5(7y+17)

We multiply parentheses

-35y-85

Back to the equation:

-(-35y-85)



We get rid of parentheses

-60y+35y+85-60=0

We add all the numbers together, and all the variables

-25y+25=0

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

-25y=-25

y=-25/-25

y=1

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