-7b-7b-1=20-11b

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Solution for -7b-7b-1=20-11b equation: 



-7b-7b-1=20-11b

We move all terms to the left:

-7b-7b-1-(20-11b)=0

We add all the numbers together, and all the variables

-7b-7b-(-11b+20)-1=0

We add all the numbers together, and all the variables

-14b-(-11b+20)-1=0

We get rid of parentheses

-14b+11b-20-1=0

We add all the numbers together, and all the variables

-3b-21=0

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

-3b=21

b=21/-3

b=-7

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