7(b+7)=-3(1-b)

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



7(b+7)=-3(1-b)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

7b-(-3(-1b+1))+49=0



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

-3(-1b+1)

We multiply parentheses

3b-3

Back to the equation:

-(3b-3)



We get rid of parentheses

7b-3b+3+49=0

We add all the numbers together, and all the variables

4b+52=0

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

4b=-52

b=-52/4

b=-13

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