2x-18-7x=x+3+x

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Solution for 2x-18-7x=x+3+x equation: 



2x-18-7x=x+3+x

We move all terms to the left:

2x-18-7x-(x+3+x)=0

We add all the numbers together, and all the variables

2x-7x-(2x+3)-18=0

We add all the numbers together, and all the variables

-5x-(2x+3)-18=0

We get rid of parentheses

-5x-2x-3-18=0

We add all the numbers together, and all the variables

-7x-21=0

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

-7x=21

x=21/-7

x=-3

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