7b-1=3b+19

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Solution for 7b-1=3b+19 equation: 



7b-1=3b+19

We move all terms to the left:

7b-1-(3b+19)=0

We get rid of parentheses

7b-3b-19-1=0

We add all the numbers together, and all the variables

4b-20=0

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

4b=20

b=20/4

b=5

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