12b-7=-3b+8

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Solution for 12b-7=-3b+8 equation: 



12b-7=-3b+8

We move all terms to the left:

12b-7-(-3b+8)=0

We get rid of parentheses

12b+3b-8-7=0

We add all the numbers together, and all the variables

15b-15=0

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

15b=15

b=15/15

b=1

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