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-8.5x+0.57=6.23
We move all terms to the left:
-8.5x+0.57-(6.23)=0
We add all the numbers together, and all the variables
-8.5x-5.66=0
We move all terms containing x to the left, all other terms to the right
-8.5x=5.66
x=5.66/-8.5
x=-3.40963855422/5.12048192771
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