X-3+3x=18

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



X-3+3X=18

We move all terms to the left:

X-3+3X-(18)=0

We add all the numbers together, and all the variables

4X-21=0

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

4X=21

X=21/4

X=5+1/4

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