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17-0.8x=47
We move all terms to the left:
17-0.8x-(47)=0
We add all the numbers together, and all the variables
-0.8x-30=0
We move all terms containing x to the left, all other terms to the right
-0.8x=30
x=30/-0.8
x=-37+0.4/0.8
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