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-2x+3.2=2.8
We move all terms to the left:
-2x+3.2-(2.8)=0
We add all the numbers together, and all the variables
-2x+0.4=0
We move all terms containing x to the left, all other terms to the right
-2x=-0.4
x=-0.4/-2
x=0.4/2
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