3b-7=b+13

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Solution for 3b-7=b+13 equation: 



3b-7=b+13

We move all terms to the left:

3b-7-(b+13)=0

We get rid of parentheses

3b-b-13-7=0

We add all the numbers together, and all the variables

2b-20=0

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

2b=20

b=20/2

b=10

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