Решите уравнение: (1200 + х) : 80 = 70.

Question

Решите уравнение: (1200 + х) : 80 = 70.

Answer 1

(1200+х):80=70
1200+х=80*70
1200+х=5600
х=5600-1200
х=4400

Answer 2

(1200 + x ) : 80 = 70. 1200 - x = 70 * 80 = 5600. X = 5600 -1200. X = 4400. Проверка. (1200 + 4400) : 80 = 70