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0.2x-0.5x+3=1
We move all terms to the left:
0.2x-0.5x+3-(1)=0
We add all the numbers together, and all the variables
-0.3x+2=0
We move all terms containing x to the left, all other terms to the right
-0.3x=-2
x=-2/-0.3
x=6+0.2/0.3
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