3=b/4-9

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Solution for 3=b/4-9 equation: 



3=b/4-9

We move all terms to the left:

3-(b/4-9)=0

We get rid of parentheses

-b/4+9+3=0

We multiply all the terms by the denominator


-b+9*4+3*4=0

We add all the numbers together, and all the variables

-1b+48=0

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

-b=-48

b=-48/-1

b=+48

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