-12+1+7b+7=8+8b-4b

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Solution for -12+1+7b+7=8+8b-4b equation: 



-12+1+7b+7=8+8b-4b

We move all terms to the left:

-12+1+7b+7-(8+8b-4b)=0

We add all the numbers together, and all the variables

7b-(4b+8)-12+1+7=0

We add all the numbers together, and all the variables

7b-(4b+8)-4=0

We get rid of parentheses

7b-4b-8-4=0

We add all the numbers together, and all the variables

3b-12=0

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

3b=12

b=12/3

b=4

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