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-1.7x=3.9
We move all terms to the left:
-1.7x-(3.9)=0
We add all the numbers together, and all the variables
-1.7x-3.9=0
We move all terms containing x to the left, all other terms to the right
-1.7x=3.9
x=3.9/-1.7
x=-2+0.5/1.7
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