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X=3X-69
We move all terms to the left:
X-(3X-69)=0
We get rid of parentheses
X-3X+69=0
We add all the numbers together, and all the variables
-2X+69=0
We move all terms containing X to the left, all other terms to the right
-2X=-69
X=-69/-2
X=34+1/2
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