Ах60=6907+43493 40450/а=7621-7571 А+90=230-80 А-90=230+80

Question

Ах60=6907+43493
40450/а=7621-7571
А+90=230-80
А-90=230+80

Answer 1

А*60=50400
а=50400:60
а=840

40350/а=50
а=40350/50
а=807

а+90=150
а=150-90
а=60

а-90=310
а=310+90
а=400