-30=8+2b

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Solution for -30=8+2b equation: 



-30=8+2b

We move all terms to the left:

-30-(8+2b)=0

We add all the numbers together, and all the variables

-(2b+8)-30=0

We get rid of parentheses

-2b-8-30=0

We add all the numbers together, and all the variables

-2b-38=0

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

-2b=38

b=38/-2

b=-19

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