y=2(4-y-7)

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



y=2(4-y-7)

We move all terms to the left:

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

We add all the numbers together, and all the variables

y-(2(-1y-3))=0



We calculate terms in parentheses: -(2(-1y-3)), so:

2(-1y-3)

We multiply parentheses

-2y-6

Back to the equation:

-(-2y-6)



We get rid of parentheses

y+2y+6=0

We add all the numbers together, and all the variables

3y+6=0

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

3y=-6

y=-6/3

y=-2

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