Verified answer

Ответ:

a = 908

X = 6525

Пошаговое объяснение:

7*a - 5044 = 3936 : 3

7*a - 5044 = 1312

7*a  = 1012 + 5044 = 6356

a = 6356 / 7 = 908

1625 - X : 5 = 640: 2

1625 - X : 5 = 320

1625 - 320 = X : 5

1305 = X : 5

X = 1305 * 5 = 6525