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12x=189.74
We move all terms to the left:
12x-(189.74)=0
We add all the numbers together, and all the variables
12x-189.74=0
We move all terms containing x to the left, all other terms to the right
12x=189.74
x=189.74/12
x=15+2.6042780748663/3.2085561497326
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