Exercise can sure help with weight loss, but the most important aspect is to reduce and control your calorie intake. Basically cut down on fatty and sugary foodstuffs, and eat sensible amounts of the rest.
Yes you can if you eat less, but doing exercise will help in losing weight.
eat less - i hate this answer, other answers accepted
how to lose weight fast without exercise
It is pretty hard to do without cutting back on fats and sugars, but doing regular exercise will help.
that is the dumbest thing I've ever heard. i don't think it will hurt you to get up and get some exercise. now the only way to lose weight without doing anything is to go anorexic and that is super unhealthy and stupid. so suck it up and go run on a treadmill!
Healthy diet & exercise
exercise more, eat properly
run
Here is one of the diets you can do to lose weight http://www.fourhourworkweek.com/blog/2007/04/06/how-to-lose-20-lbs-of-fat-in-30-days-without-doing-any-exercise/
A combination of both is the fastest way to lose weight. You can't really get the results you want by doing just one or the other.
Exercise with nobody around
Good old diet and exercise are the best thing to do to lose weight. You can also use exercise DVDs, hire a personal trainer, or enroll in a weight loss program, such as Weight Watchers.