15b-7=12b+8

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Solution for 15b-7=12b+8 equation: 



15b-7=12b+8

We move all terms to the left:

15b-7-(12b+8)=0

We get rid of parentheses

15b-12b-8-7=0

We add all the numbers together, and all the variables

3b-15=0

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

3b=15

b=15/3

b=5

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