-3=-b/2

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Solution for -3=-b/2 equation: 



-3=-b/2

We move all terms to the left:

-3-(-b/2)=0

We get rid of parentheses

b/2-3=0

We multiply all the terms by the denominator


b-3*2=0

We add all the numbers together, and all the variables

b-6=0

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

b=6

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