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0.3(x-12)=2x+1
We move all terms to the left:
0.3(x-12)-(2x+1)=0
We multiply parentheses
0.3x-(2x+1)-3.6=0
We get rid of parentheses
0.3x-2x-1-3.6=0
We add all the numbers together, and all the variables
-1.7x-4.6=0
We move all terms containing x to the left, all other terms to the right
-1.7x=4.6
x=4.6/-1.7
x=-2+1/1.4166666666667
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