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0.05=0.4/x
We move all terms to the left:
0.05-(0.4/x)=0
Domain of the equation: x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-(+0.4/x)+0.05=0
We get rid of parentheses
-0.4/x+0.05=0
We multiply all the terms by the denominator
(0.05)*x-0.4=0
We multiply parentheses
0.05x-0.4=0
We move all terms containing x to the left, all other terms to the right
0.05x=0.4
x=0.4/0.05
x=8
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