Question

Решила уравнения 37-(4+x)=9

Answer 1

4+х=37+9
4+х=46
х=46-4
х=42

Answer 2

37-(4+х)=9
4+х=37-9
4+х=28
х=28-4
х=24
Проверяем:
37-(4+24)=9
9=9