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3.93x+3.93=7.86
We move all terms to the left:
3.93x+3.93-(7.86)=0
We add all the numbers together, and all the variables
3.93x-3.93=0
We move all terms containing x to the left, all other terms to the right
3.93x=3.93
x=3.93/3.93
x=1
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