2(y-5)=21-(6-7y)

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Solution for 2(y-5)=21-(6-7y) equation: 



2(y-5)=21-(6-7y)

We move all terms to the left:

2(y-5)-(21-(6-7y))=0

We add all the numbers together, and all the variables

2(y-5)-(21-(-7y+6))=0

We multiply parentheses

2y-(21-(-7y+6))-10=0



We calculate terms in parentheses: -(21-(-7y+6)), so:

21-(-7y+6)

determiningTheFunctionDomain
-(-7y+6)+21

We get rid of parentheses

7y-6+21

We add all the numbers together, and all the variables

7y+15

Back to the equation:

-(7y+15)



We get rid of parentheses

2y-7y-15-10=0

We add all the numbers together, and all the variables

-5y-25=0

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

-5y=25

y=25/-5

y=-5

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