Question

2 11/14 х - 1 20/21 х = 1 1/4

Answer 1

Ответ:

x = 1.5

Пошаговое объяснение:

2 11/14 x - 1 20/21 x = 1 1/4

39/14 x - 41/21 x = 5/4

39*6 x - 41*4 x = 5*21

(234 - 164)x = 105

70x = 105

x = 105/70

x = 3/2

x = 1.5