3=3(b-8)/4

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Solution for 3=3(b-8)/4 equation: 



3=3(b-8)/4

We move all terms to the left:

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

We multiply all the terms by the denominator


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



We calculate terms in parentheses: -(3(b-8)+3*4), so:

3(b-8)+3*4

We add all the numbers together, and all the variables

3(b-8)+12

We multiply parentheses

3b-24+12

We add all the numbers together, and all the variables

3b-12

Back to the equation:

-(3b-12)



We get rid of parentheses

-3b+12=0

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

-3b=-12

b=-12/-3

b=+4

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