18=4+7b

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Solution for 18=4+7b equation: 



18=4+7b

We move all terms to the left:

18-(4+7b)=0

We add all the numbers together, and all the variables

-(7b+4)+18=0

We get rid of parentheses

-7b-4+18=0

We add all the numbers together, and all the variables

-7b+14=0

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

-7b=-14

b=-14/-7

b=+2

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