900-x=90; 360:х=60; x:60=50

Question

900-x=90; 360:х=60; x:60=50

Answer 1

1) 900-х = 90
x=900-90
x= 810
2)
360:x=60
x= 360:60
x= 6
3)
x:60=50
x= 50*60
x=3000