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0.42857142857(x-8)=15
We move all terms to the left:
0.42857142857(x-8)-(15)=0
We multiply parentheses
0.42857142857x-3.42857142856-15=0
We add all the numbers together, and all the variables
0.42857142857x-18.42857142856=0
We move all terms containing x to the left, all other terms to the right
0.42857142857x=18.42857142856
x=18.42857142856/0.42857142857
x=43+5.0000892315438E-11/0.42857142857
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