-7(-3y+3)-3y=4(y-1)-7

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Solution for -7(-3y+3)-3y=4(y-1)-7 equation: 



-7(-3y+3)-3y=4(y-1)-7

We move all terms to the left:

-7(-3y+3)-3y-(4(y-1)-7)=0

We add all the numbers together, and all the variables

-3y-7(-3y+3)-(4(y-1)-7)=0

We multiply parentheses

-3y+21y-(4(y-1)-7)-21=0



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

4(y-1)-7

We multiply parentheses

4y-4-7

We add all the numbers together, and all the variables

4y-11

Back to the equation:

-(4y-11)



We add all the numbers together, and all the variables

18y-(4y-11)-21=0

We get rid of parentheses

18y-4y+11-21=0

We add all the numbers together, and all the variables

14y-10=0

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

14y=10

y=10/14

y=5/7

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