112=7(-3b+4)

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Solution for 112=7(-3b+4) equation: 



112=7(-3b+4)

We move all terms to the left:

112-(7(-3b+4))=0



We calculate terms in parentheses: -(7(-3b+4)), so:

7(-3b+4)

We multiply parentheses

-21b+28

Back to the equation:

-(-21b+28)



We get rid of parentheses

21b-28+112=0

We add all the numbers together, and all the variables

21b+84=0

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

21b=-84

b=-84/21

b=-4

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