-2y+42=-4(y-7)

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Solution for -2y+42=-4(y-7) equation: 



-2y+42=-4(y-7)

We move all terms to the left:

-2y+42-(-4(y-7))=0



We calculate terms in parentheses: -(-4(y-7)), so:

-4(y-7)

We multiply parentheses

-4y+28

Back to the equation:

-(-4y+28)



We get rid of parentheses

-2y+4y-28+42=0

We add all the numbers together, and all the variables

2y+14=0

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

2y=-14

y=-14/2

y=-7

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