4x+2x=12x+18

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Solution for 4x+2x=12x+18 equation: 



4x+2x=12x+18

We move all terms to the left:

4x+2x-(12x+18)=0

We add all the numbers together, and all the variables

6x-(12x+18)=0

We get rid of parentheses

6x-12x-18=0

We add all the numbers together, and all the variables

-6x-18=0

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

-6x=18

x=18/-6

x=-3

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