4b+9=8b-13

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Solution for 4b+9=8b-13 equation: 



4b+9=8b-13

We move all terms to the left:

4b+9-(8b-13)=0

We get rid of parentheses

4b-8b+13+9=0

We add all the numbers together, and all the variables

-4b+22=0

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

-4b=-22

b=-22/-4

b=5+1/2

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