-20=b+8-5b

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Solution for -20=b+8-5b equation: 



-20=b+8-5b

We move all terms to the left:

-20-(b+8-5b)=0

We add all the numbers together, and all the variables

-(-4b+8)-20=0

We get rid of parentheses

4b-8-20=0

We add all the numbers together, and all the variables

4b-28=0

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

4b=28

b=28/4

b=7

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