7b-3=4+8b

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Solution for 7b-3=4+8b equation: 



7b-3=4+8b

We move all terms to the left:

7b-3-(4+8b)=0

We add all the numbers together, and all the variables

7b-(8b+4)-3=0

We get rid of parentheses

7b-8b-4-3=0

We add all the numbers together, and all the variables

-1b-7=0

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

-b=7

b=7/-1

b=-7

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