7=b/2-3

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Solution for 7=b/2-3 equation: 



7=b/2-3

We move all terms to the left:

7-(b/2-3)=0

We get rid of parentheses

-b/2+3+7=0

We multiply all the terms by the denominator


-b+3*2+7*2=0

We add all the numbers together, and all the variables

-1b+20=0

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

-b=-20

b=-20/-1

b=+20

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