-18=8b+b

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Solution for -18=8b+b equation:



-18=8b+b
We move all terms to the left:
-18-(8b+b)=0
We add all the numbers together, and all the variables
-(+9b)-18=0
We get rid of parentheses
-9b-18=0
We move all terms containing b to the left, all other terms to the right
-9b=18
b=18/-9
b=-2

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