Математика
Ответ:
Пошаговое объяснение:
7/9x = 2 + 4/27
7/9x = 2 4/27
x = 2 4/27 : 7/9
x = 58/27 * 9/7
x = 58/21
x = 2 16/21
2 16/21
7/9х - 4/27 = 2
7/9х = 2 + 4/27
7/9х = 1 27/27 + 4/27
7/9х = 54/27 + 4/27
7/9х = 58/27
х = 58/27 : 7/9
х = 58/27 * 9/7
х = 58/3 * 1/7
х = 58/21
х = 2 16/21