4b-78=2b-30

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Solution for 4b-78=2b-30 equation: 



4b-78=2b-30

We move all terms to the left:

4b-78-(2b-30)=0

We get rid of parentheses

4b-2b+30-78=0

We add all the numbers together, and all the variables

2b-48=0

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

2b=48

b=48/2

b=24

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