18=4+7x

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Solution for 18=4+7x equation: 



18=4+7x

We move all terms to the left:

18-(4+7x)=0

We add all the numbers together, and all the variables

-(7x+4)+18=0

We get rid of parentheses

-7x-4+18=0

We add all the numbers together, and all the variables

-7x+14=0

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

-7x=-14

x=-14/-7

x=+2

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