20=2b+6b

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Solution for 20=2b+6b equation: 



20=2b+6b

We move all terms to the left:

20-(2b+6b)=0

We add all the numbers together, and all the variables

-(+8b)+20=0

We get rid of parentheses

-8b+20=0

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

-8b=-20

b=-20/-8

b=2+1/2

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