3x+2x+2x=18+x

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Solution for 3x+2x+2x=18+x equation: 



3x+2x+2x=18+x

We move all terms to the left:

3x+2x+2x-(18+x)=0

We add all the numbers together, and all the variables

3x+2x+2x-(x+18)=0

We add all the numbers together, and all the variables

7x-(x+18)=0

We get rid of parentheses

7x-x-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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