18=-3-2b-5b

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Solution for 18=-3-2b-5b equation: 



18=-3-2b-5b

We move all terms to the left:

18-(-3-2b-5b)=0

We add all the numbers together, and all the variables

-(-7b-3)+18=0

We get rid of parentheses

7b+3+18=0

We add all the numbers together, and all the variables

7b+21=0

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

7b=-21

b=-21/7

b=-3

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