6целых3/11+х=10ц7/10 8ц9/14-х=4ц3/7 Х-5ц17/60=7ц9/20

Question

6целых3/11+х=10ц7/10
8ц9/14-х=4ц3/7
Х-5ц17/60=7ц9/20

Answer 1

-х= 4ц 6/14 -8ц 9/14

-х= -4ц 3/14

х= 4ц 3/14

х=7ц27/60 +5ц17/60

х=12ц 44/60 = 12ц 22/30