-2(b-8)=20-b

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Solution for -2(b-8)=20-b equation: 



-2(b-8)=20-b

We move all terms to the left:

-2(b-8)-(20-b)=0

We add all the numbers together, and all the variables

-2(b-8)-(-1b+20)=0

We multiply parentheses

-2b-(-1b+20)+16=0

We get rid of parentheses

-2b+1b-20+16=0

We add all the numbers together, and all the variables

-1b-4=0

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

-b=4

b=4/-1

b=-4

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