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

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



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

We move all terms to the left:

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



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

7(3b-1)

We multiply parentheses

21b-7

Back to the equation:

-(21b-7)



We get rid of parentheses

4b-21b+7-7=0

We add all the numbers together, and all the variables

-17b=0

b=0/-17

b=0

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