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16.9x=12.4
We move all terms to the left:
16.9x-(12.4)=0
We add all the numbers together, and all the variables
16.9x-12.4=0
We move all terms containing x to the left, all other terms to the right
16.9x=12.4
x=12.4/16.9
x=2.8181818181818/3.8409090909091
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