5b-7=2+8b

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Solution for 5b-7=2+8b equation: 



5b-7=2+8b

We move all terms to the left:

5b-7-(2+8b)=0

We add all the numbers together, and all the variables

5b-(8b+2)-7=0

We get rid of parentheses

5b-8b-2-7=0

We add all the numbers together, and all the variables

-3b-9=0

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

-3b=9

b=9/-3

b=-3

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