7b-7=15-b

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Solution for 7b-7=15-b equation: 



7b-7=15-b

We move all terms to the left:

7b-7-(15-b)=0

We add all the numbers together, and all the variables

7b-(-1b+15)-7=0

We get rid of parentheses

7b+1b-15-7=0

We add all the numbers together, and all the variables

8b-22=0

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

8b=22

b=22/8

b=2+3/4

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