Question

7 целых 1/4 х - х = 9 целых 3/8

Answer 1

7  1/4х-х=9  3/8

29/4х-х=75/8

29/4х-4/4х=75/8

25/4х=75/8

х=75/8 : 25/4

х=75/8* 4/25

х=3/2* 1/1

х=3/2=1  1/2