Question

x:3=15/23-(13/23+5/23)решите

Answer 1

Преобразуем правую часть.
15/23-13/23-5/23=(15-13-5)/23=-3/23
х=-3/23*3=-9/23

Answer 2

13/23+5/23=18/23

Answer 3

15/23-18/23=-3/23

Answer 4

х=-3/23*3

Answer 5

х=-9/23