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x+6=12.x
We move all terms to the left:
x+6-(12.x)=0
We add all the numbers together, and all the variables
x-(+12.x)+6=0
We get rid of parentheses
x-12.x+6=0
We add all the numbers together, and all the variables
-11x+6=0
We move all terms containing x to the left, all other terms to the right
-11x=-6
x=-6/-11
x=6/11
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