3-9b=-7-2b

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Solution for 3-9b=-7-2b equation: 



3-9b=-7-2b

We move all terms to the left:

3-9b-(-7-2b)=0

We add all the numbers together, and all the variables

-9b-(-2b-7)+3=0

We get rid of parentheses

-9b+2b+7+3=0

We add all the numbers together, and all the variables

-7b+10=0

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

-7b=-10

b=-10/-7

b=1+3/7

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