-2(b-20)=8

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



-2(b-20)=8

We move all terms to the left:

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

We multiply parentheses

-2b+40-8=0

We add all the numbers together, and all the variables

-2b+32=0

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

-2b=-32

b=-32/-2

b=+16

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