Question

(7 1/8-х)+2 3/8=5 7/8

Answer 1

(7 1/8-х)+2 3/8=5 7/8

7 1/8-х=5 7/8-2 3/8

7 1/8-х=3 4/8

х=7 1/8- 3 4/8

х=6 9/8- 3 4/8

х=3 5/8

Answer 2

57/8-х+19/8=47/8

-х=47/8-199/8-57/8

-х=-72/8

х=72/8

х=9

Ответ:9.