-3b-30=-6(2b-1)

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Solution for -3b-30=-6(2b-1) equation: 



-3b-30=-6(2b-1)

We move all terms to the left:

-3b-30-(-6(2b-1))=0



We calculate terms in parentheses: -(-6(2b-1)), so:

-6(2b-1)

We multiply parentheses

-12b+6

Back to the equation:

-(-12b+6)



We get rid of parentheses

-3b+12b-6-30=0

We add all the numbers together, and all the variables

9b-36=0

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

9b=36

b=36/9

b=4

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