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X+1.5X+2X=144.000
We move all terms to the left:
X+1.5X+2X-(144.000)=0
We add all the numbers together, and all the variables
X+1.5X+2X-144=0
We add all the numbers together, and all the variables
4.5X-144=0
We move all terms containing X to the left, all other terms to the right
4.5X=144
X=144/4.5
X=32
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