2x-3=18+x

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



2x-3=18+x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2x-x-18-3=0

We add all the numbers together, and all the variables

x-21=0

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

x=21

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