-15+7y=-2(-15+1y)

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Solution for -15+7y=-2(-15+1y) equation: 



-15+7y=-2(-15+1y)

We move all terms to the left:

-15+7y-(-2(-15+1y))=0

We add all the numbers together, and all the variables

7y-(-2(y-15))-15=0



We calculate terms in parentheses: -(-2(y-15)), so:

-2(y-15)

We multiply parentheses

-2y+30

Back to the equation:

-(-2y+30)



We get rid of parentheses

7y+2y-30-15=0

We add all the numbers together, and all the variables

9y-45=0

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

9y=45

y=45/9

y=5

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