Working out... how long will it take to see the difference?

Anonymous
I started going to the gym exactly a week ago. I use the elliptical for 10 minutes, cycling 10 minutes and jogging 30 minutes. Im 5,9 and want to lose 3-4 kg. So far I can't see a difference. Although I have been eating around 1500 calories all week and working out 5 days. How long will it take to see a difference if I carry on like this? I wish I was not so impatient.
Updates
+1 y
ps. 1500 calories per day (not all week:-P)
Working out... how long will it take to see the difference?
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