7=9(2)+b

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Solution for 7=9(2)+b equation: 



7=9(2)+b

We move all terms to the left:

7-(9(2)+b)=0

We add all the numbers together, and all the variables

-(b+92)+7=0

We get rid of parentheses

-b-92+7=0

We add all the numbers together, and all the variables

-1b-85=0

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

-b=85

b=85/-1

b=-85

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