-143=-8+9b

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Solution for -143=-8+9b equation: 



-143=-8+9b

We move all terms to the left:

-143-(-8+9b)=0

We add all the numbers together, and all the variables

-(9b-8)-143=0

We get rid of parentheses

-9b+8-143=0

We add all the numbers together, and all the variables

-9b-135=0

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

-9b=135

b=135/-9

b=-15

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