Question

нужна помощь!!!! ...​

Answer 1

Ответ:

$7 + x = 4 \\ x = 4 - 7 \\ x = - 3$

$- 24 - y = - 16 \\ - y = - 16 + 24 \\ - y = 8 \\ y = 8 \div - 1 \\ y = - 8$