(x+18)=3x

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Solution for (x+18)=3x equation: 



(x+18)=3x

We move all terms to the left:

(x+18)-(3x)=0

We add all the numbers together, and all the variables

-3x+(x+18)=0

We get rid of parentheses

-3x+x+18=0

We add all the numbers together, and all the variables

-2x+18=0

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

-2x=-18

x=-18/-2

x=+9

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