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0.2x-3=0.8x+7
We move all terms to the left:
0.2x-3-(0.8x+7)=0
We get rid of parentheses
0.2x-0.8x-7-3=0
We add all the numbers together, and all the variables
-0.6x-10=0
We move all terms containing x to the left, all other terms to the right
-0.6x=10
x=10/-0.6
x=-16+0.4/0.6
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