Im trying to lose belly fat and dont know which machines to use
You can’t spot reduce. Train the whole body, losein the whole body. You can do ab workouts to strengthen ab muscles, but it won’t burnonly in the belly.
Find your maintenance calorie level, go 500-1000 calories below it(more= higher deficit), and you will lose it. Just a matter of time

Cardio helps too, to help you be able towithout being super strict, and to boost your metabolic breakdown of. But ease into it don’t burn yourself out

It helped me to track using MyFitnessPal at first to get a feel for the right quantities.