7b-2=18+12b

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Solution for 7b-2=18+12b equation: 



7b-2=18+12b

We move all terms to the left:

7b-2-(18+12b)=0

We add all the numbers together, and all the variables

7b-(12b+18)-2=0

We get rid of parentheses

7b-12b-18-2=0

We add all the numbers together, and all the variables

-5b-20=0

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

-5b=20

b=20/-5

b=-4

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