3=b/8+4

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Solution for 3=b/8+4 equation: 



3=b/8+4

We move all terms to the left:

3-(b/8+4)=0

We get rid of parentheses

-b/8-4+3=0

We multiply all the terms by the denominator


-b-4*8+3*8=0

We add all the numbers together, and all the variables

-1b-8=0

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

-b=8

b=8/-1

b=-8

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