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0.2x+x=0.8
We move all terms to the left:
0.2x+x-(0.8)=0
We add all the numbers together, and all the variables
1.2x-0.8=0
We move all terms containing x to the left, all other terms to the right
1.2x=0.8
x=0.8/1.2
x=0.8/1.2
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