1-7b=-9b-9

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Solution for 1-7b=-9b-9 equation: 



1-7b=-9b-9

We move all terms to the left:

1-7b-(-9b-9)=0

We get rid of parentheses

-7b+9b+9+1=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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