x.3-9=18

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Solution for x.3-9=18 equation: 



x.3-9=18

We move all terms to the left:

x.3-9-(18)=0

We add all the numbers together, and all the variables

x.3-27=0

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

x.3=27

x=27/1

x=27

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