3b-45=b/2

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Solution for 3b-45=b/2 equation: 



3b-45=b/2

We move all terms to the left:

3b-45-(b/2)=0

We add all the numbers together, and all the variables

3b-(+b/2)-45=0

We get rid of parentheses

3b-b/2-45=0

We multiply all the terms by the denominator


3b*2-b-45*2=0

We add all the numbers together, and all the variables

-1b+3b*2-90=0

Wy multiply elements

-1b+6b-90=0

We add all the numbers together, and all the variables

5b-90=0

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

5b=90

b=90/5

b=18

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