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0.2/x+0.8=1.2
We move all terms to the left:
0.2/x+0.8-(1.2)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
0.2/x-0.4=0
We multiply all the terms by the denominator
-(0.4)*x+0.2=0
We multiply parentheses
-0.4x+0.2=0
We move all terms containing x to the left, all other terms to the right
-0.4x=-0.2
x=-0.2/-0.4
x=0.2/0.4
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