-3=3-3b/7

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Solution for -3=3-3b/7 equation: 



-3=3-3b/7

We move all terms to the left:

-3-(3-3b/7)=0

We add all the numbers together, and all the variables

-(-3b/7+3)-3=0

We get rid of parentheses

3b/7-3-3=0

We multiply all the terms by the denominator


3b-3*7-3*7=0

We add all the numbers together, and all the variables

3b-42=0

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

3b=42

b=42/3

b=14

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