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0.2x-1=-0.4
We move all terms to the left:
0.2x-1-(-0.4)=0
We add all the numbers together, and all the variables
0.2x-0.6=0
We move all terms containing x to the left, all other terms to the right
0.2x=0.6
x=0.6/0.2
x=2+0.2/0.2
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