-18=-3(b-10)

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Solution for -18=-3(b-10) equation: 



-18=-3(b-10)

We move all terms to the left:

-18-(-3(b-10))=0



We calculate terms in parentheses: -(-3(b-10)), so:

-3(b-10)

We multiply parentheses

-3b+30

Back to the equation:

-(-3b+30)



We get rid of parentheses

3b-30-18=0

We add all the numbers together, and all the variables

3b-48=0

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

3b=48

b=48/3

b=16

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