(2b+b)-b=4

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Solution for (2b+b)-b=4 equation: 



(2b+b)-b=4

We move all terms to the left:

(2b+b)-b-(4)=0

We add all the numbers together, and all the variables

(+3b)-b-4=0

We add all the numbers together, and all the variables

-1b+(+3b)-4=0

We get rid of parentheses

-1b+3b-4=0

We add all the numbers together, and all the variables

2b-4=0

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

2b=4

b=4/2

b=2

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