Question

реши уравнение
12:х+10=13

Answer 1

12:х+10=13
12:х=13-10
12:х=3
Х=12:3
Х=4

Answer 2

12:х=13-10
12:х=3
х=3/12
Проверка:
12:3/12+10=13 (12/1:3/12=3)
3+10=13
13=13