X+18+3x=72

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Solution for X+18+3x=72 equation: 



X+18+3X=72

We move all terms to the left:

X+18+3X-(72)=0

We add all the numbers together, and all the variables

4X-54=0

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

4X=54

X=54/4

X=13+1/2

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