7-4b=-3(b-1)

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



7-4b=-3(b-1)

We move all terms to the left:

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



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

-3(b-1)

We multiply parentheses

-3b+3

Back to the equation:

-(-3b+3)



We get rid of parentheses

-4b+3b-3+7=0

We add all the numbers together, and all the variables

-1b+4=0

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

-b=-4

b=-4/-1

b=+4

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