2-b+9=8-2b

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Solution for 2-b+9=8-2b equation: 



2-b+9=8-2b

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-1b-(-2b+8)+11=0

We get rid of parentheses

-1b+2b-8+11=0

We add all the numbers together, and all the variables

b+3=0

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

b=-3

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