Question

х- 1\9=1\72


х+2\5=11\15

Answer 1

x = 1/72 + 1/9 = 1/72 + 8 /72 = 9 / 72 = 1/8

x = 11/15 - 2/5 = 11/15 - 6/15 = 5/15 = 1/3

Answer 2

Х=1/72+1/9
Х=1/72+8/72
Х=9/72=1/8

Х=11/25-2/5
Х=11/25-10/25
Х=1/25