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x-0.14x=684
We move all terms to the left:
x-0.14x-(684)=0
We add all the numbers together, and all the variables
0.86x-684=0
We move all terms containing x to the left, all other terms to the right
0.86x=684
x=684/0.86
x=795+0.29999999999995/0.86
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