5b-7b+8=5b-9

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Solution for 5b-7b+8=5b-9 equation: 



5b-7b+8=5b-9

We move all terms to the left:

5b-7b+8-(5b-9)=0

We add all the numbers together, and all the variables

-2b-(5b-9)+8=0

We get rid of parentheses

-2b-5b+9+8=0

We add all the numbers together, and all the variables

-7b+17=0

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

-7b=-17

b=-17/-7

b=2+3/7

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