7(1-y)=-3(y-27)

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Solution for 7(1-y)=-3(y-27) equation: 



7(1-y)=-3(y-27)

We move all terms to the left:

7(1-y)-(-3(y-27))=0

We add all the numbers together, and all the variables

7(-1y+1)-(-3(y-27))=0

We multiply parentheses

-7y-(-3(y-27))+7=0



We calculate terms in parentheses: -(-3(y-27)), so:

-3(y-27)

We multiply parentheses

-3y+81

Back to the equation:

-(-3y+81)



We get rid of parentheses

-7y+3y-81+7=0

We add all the numbers together, and all the variables

-4y-74=0

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

-4y=74

y=74/-4

y=-18+1/2

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