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80/2(400)=4/2x
We move all terms to the left:
80/2(400)-(4/2x)=0
Domain of the equation: 2x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-(+4/2x)+80/2400=0
We get rid of parentheses
-4/2x+80/2400=0
We calculate fractions
There is no solution for this equation
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