-4=8+2b+4

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Solution for -4=8+2b+4 equation: 



-4=8+2b+4

We move all terms to the left:

-4-(8+2b+4)=0

We add all the numbers together, and all the variables

-(2b+12)-4=0

We get rid of parentheses

-2b-12-4=0

We add all the numbers together, and all the variables

-2b-16=0

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

-2b=16

b=16/-2

b=-8

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