-20-20+2b=20+8b

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Solution for -20-20+2b=20+8b equation: 



-20-20+2b=20+8b

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

2b-(8b+20)-40=0

We get rid of parentheses

2b-8b-20-40=0

We add all the numbers together, and all the variables

-6b-60=0

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

-6b=60

b=60/-6

b=-10

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