20=2+3b

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Solution for 20=2+3b equation: 



20=2+3b

We move all terms to the left:

20-(2+3b)=0

We add all the numbers together, and all the variables

-(3b+2)+20=0

We get rid of parentheses

-3b-2+20=0

We add all the numbers together, and all the variables

-3b+18=0

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

-3b=-18

b=-18/-3

b=+6

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