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7.4x=125.8
We move all terms to the left:
7.4x-(125.8)=0
We add all the numbers together, and all the variables
7.4x-125.8=0
We move all terms containing x to the left, all other terms to the right
7.4x=125.8
x=125.8/7.4
x=17+-1.4210854715202E-14/7.4
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