-20-2b+13=b+20

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Solution for -20-2b+13=b+20 equation: 



-20-2b+13=b+20

We move all terms to the left:

-20-2b+13-(b+20)=0

We add all the numbers together, and all the variables

-2b-(b+20)-7=0

We get rid of parentheses

-2b-b-20-7=0

We add all the numbers together, and all the variables

-3b-27=0

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

-3b=27

b=27/-3

b=-9

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