Question

уравнение 18d+5d-23=23

Answer 1

18d + 5d - 23 = 23

23d - 23 = 23

23 d = 23 + 23

23d = 46

d = 46 : 23

d = 2

Удачи)

Answer 2

18 + 5d - 23 = 23

Answer 3

23d=46
d=46:23
d=2
Ответ: 2.