Asked by Neh
                solve (x+2)/x>=0.2 with steps
            
            
        Answers
                    Answered by
            Scott
            
    x/x + 2/x ≥ .2
1 + 2/x ≥ .2
2/x ≥ -.8
2 ≥ -.8 x
-5/2 ≤ x
    
1 + 2/x ≥ .2
2/x ≥ -.8
2 ≥ -.8 x
-5/2 ≤ x
                    Answered by
            Steve
            
    (x+2)/x >= 1/5
If x>0,
x+2 >= x/5
4x/5 >= -2
x >= -5/2
So, x > 0
If x<0,
x+2 <= x/5
4x/5 <= -2
x <= -5/2
So, x <= -5/2
So, in interval notation, x is in
(-∞,-5/2]U(0,∞)
    
If x>0,
x+2 >= x/5
4x/5 >= -2
x >= -5/2
So, x > 0
If x<0,
x+2 <= x/5
4x/5 <= -2
x <= -5/2
So, x <= -5/2
So, in interval notation, x is in
(-∞,-5/2]U(0,∞)
                    Answered by
            Neh
            
    I found the same answer but answer is 
x<-5/2
see on wolfram alpha
    
x<-5/2
see on wolfram alpha
                    Answered by
            Neh
            
    thanks steve
    
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