Question

Реши уравнения:12÷х+10=13

Answer 1

$\frac{12}{x} + 10 = 13 \\ \frac{12}{x} = 3 \\ x = 4$

Answer 2

12:х+10=13
12:х=13-10
12:х=3
х=12:3
х=4
Проверка
12:4+10=13
1)12:4=3
2)3+10=13