7b=9b-10

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Solution for 7b=9b-10 equation: 



7b=9b-10

We move all terms to the left:

7b-(9b-10)=0

We get rid of parentheses

7b-9b+10=0

We add all the numbers together, and all the variables

-2b+10=0

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

-2b=-10

b=-10/-2

b=+5

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