12=-18+8b

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Solution for 12=-18+8b equation: 



12=-18+8b

We move all terms to the left:

12-(-18+8b)=0

We add all the numbers together, and all the variables

-(8b-18)+12=0

We get rid of parentheses

-8b+18+12=0

We add all the numbers together, and all the variables

-8b+30=0

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

-8b=-30

b=-30/-8

b=3+3/4

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