7b-3=4b+18

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Solution for 7b-3=4b+18 equation: 



7b-3=4b+18

We move all terms to the left:

7b-3-(4b+18)=0

We get rid of parentheses

7b-4b-18-3=0

We add all the numbers together, and all the variables

3b-21=0

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

3b=21

b=21/3

b=7

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