49=-7(b-1)

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Solution for 49=-7(b-1) equation: 



49=-7(b-1)

We move all terms to the left:

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



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

-7(b-1)

We multiply parentheses

-7b+7

Back to the equation:

-(-7b+7)



We get rid of parentheses

7b-7+49=0

We add all the numbers together, and all the variables

7b+42=0

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

7b=-42

b=-42/7

b=-6

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