13+3b-12b=b-17

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Solution for 13+3b-12b=b-17 equation: 



13+3b-12b=b-17

We move all terms to the left:

13+3b-12b-(b-17)=0

We add all the numbers together, and all the variables

-9b-(b-17)+13=0

We get rid of parentheses

-9b-b+17+13=0

We add all the numbers together, and all the variables

-10b+30=0

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

-10b=-30

b=-30/-10

b=+3

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