x*2-x=18

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Solution for x*2-x=18 equation: 



x*2-x=18

We move all terms to the left:

x*2-x-(18)=0

We add all the numbers together, and all the variables

-1x+x*2-18=0

Wy multiply elements

-1x+2x-18=0

We add all the numbers together, and all the variables

x-18=0

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

x=18

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