2y-21=-5(y+7)

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Solution for 2y-21=-5(y+7) equation: 



2y-21=-5(y+7)

We move all terms to the left:

2y-21-(-5(y+7))=0



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

-5(y+7)

We multiply parentheses

-5y-35

Back to the equation:

-(-5y-35)



We get rid of parentheses

2y+5y+35-21=0

We add all the numbers together, and all the variables

7y+14=0

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

7y=-14

y=-14/7

y=-2

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