-3(b-4)=-6(b+3)

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Solution for -3(b-4)=-6(b+3) equation: 



-3(b-4)=-6(b+3)

We move all terms to the left:

-3(b-4)-(-6(b+3))=0

We multiply parentheses

-3b-(-6(b+3))+12=0



We calculate terms in parentheses: -(-6(b+3)), so:

-6(b+3)

We multiply parentheses

-6b-18

Back to the equation:

-(-6b-18)



We get rid of parentheses

-3b+6b+18+12=0

We add all the numbers together, and all the variables

3b+30=0

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

3b=-30

b=-30/3

b=-10

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