Question

4)x:8+7=9
помогите срочно

Answer 1

x:8+7=9
х+56=72
х=72-56
х=16

Answer 2

x : 8 + 7 = 9
x : 8 = 9 - 7
x : 8 = 2
x = 8 * 2
x = 16

Проверяем...

16 : 8 + 7 = 9
2 + 7 = 9
Верно.