3b+4-b=4b-8

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Solution for 3b+4-b=4b-8 equation: 



3b+4-b=4b-8

We move all terms to the left:

3b+4-b-(4b-8)=0

We add all the numbers together, and all the variables

2b-(4b-8)+4=0

We get rid of parentheses

2b-4b+8+4=0

We add all the numbers together, and all the variables

-2b+12=0

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

-2b=-12

b=-12/-2

b=+6

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