Ответ:  x = 5 1/5

Пошаговое объяснение:

12/5 = ( 14 + x ) / 8

12 * 8 = 5 * ( 14 + x )

96 = 70 + 5 x

-5x = 70 - 96

-5x = -26

x = 26/5

x = 5 1/5

Verified answer