7(y-6)-y=7(y-7)

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Solution for 7(y-6)-y=7(y-7) equation: 



7(y-6)-y=7(y-7)

We move all terms to the left:

7(y-6)-y-(7(y-7))=0

We add all the numbers together, and all the variables

-1y+7(y-6)-(7(y-7))=0

We multiply parentheses

-1y+7y-(7(y-7))-42=0



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

7(y-7)

We multiply parentheses

7y-49

Back to the equation:

-(7y-49)



We add all the numbers together, and all the variables

6y-(7y-49)-42=0

We get rid of parentheses

6y-7y+49-42=0

We add all the numbers together, and all the variables

-1y+7=0

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

-y=-7

y=-7/-1

y=+7

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