2(9+y)=4(2y+1)-(7-y)

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Solution for 2(9+y)=4(2y+1)-(7-y) equation: 



2(9+y)=4(2y+1)-(7-y)

We move all terms to the left:

2(9+y)-(4(2y+1)-(7-y))=0

We add all the numbers together, and all the variables

2(y+9)-(4(2y+1)-(-1y+7))=0

We multiply parentheses

2y-(4(2y+1)-(-1y+7))+18=0



We calculate terms in parentheses: -(4(2y+1)-(-1y+7)), so:

4(2y+1)-(-1y+7)

We multiply parentheses

8y-(-1y+7)+4

We get rid of parentheses

8y+1y-7+4

We add all the numbers together, and all the variables

9y-3

Back to the equation:

-(9y-3)



We get rid of parentheses

2y-9y+3+18=0

We add all the numbers together, and all the variables

-7y+21=0

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

-7y=-21

y=-21/-7

y=+3

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