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266=4x+2x
We move all terms to the left:
266-(4x+2x)=0
We add all the numbers together, and all the variables
-(+6x)+266=0
We get rid of parentheses
-6x+266=0
We move all terms containing x to the left, all other terms to the right
-6x=-266
x=-266/-6
x=44+1/3
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