-4(3b-7)=-3(8-b)+7

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Solution for -4(3b-7)=-3(8-b)+7 equation: 



-4(3b-7)=-3(8-b)+7

We move all terms to the left:

-4(3b-7)-(-3(8-b)+7)=0

We add all the numbers together, and all the variables

-4(3b-7)-(-3(-1b+8)+7)=0

We multiply parentheses

-12b-(-3(-1b+8)+7)+28=0



We calculate terms in parentheses: -(-3(-1b+8)+7), so:

-3(-1b+8)+7

We multiply parentheses

3b-24+7

We add all the numbers together, and all the variables

3b-17

Back to the equation:

-(3b-17)



We get rid of parentheses

-12b-3b+17+28=0

We add all the numbers together, and all the variables

-15b+45=0

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

-15b=-45

b=-45/-15

b=+3

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