Пошаговое объяснение:
(5/7x−1/4)⋅3/8=3/8.
5/7x - 1/4 = 3/8 : 3/8
5/7x - 1/4 = 1
5/7x = 1 + 1/4
5/7x = 1 1/4
x = 1 1/4 : 5/7
x = 5/4 * 7/5
x = 7/4
x = 1 3/4
Пошаговое объяснение:
(5/7x−1/4)⋅3/8=3/8.
5/7x - 1/4 = 3/8 : 3/8
5/7x - 1/4 = 1
5/7x = 1 + 1/4
5/7x = 1 1/4
x = 1 1/4 : 5/7
x = 5/4 * 7/5
x = 7/4
x = 1 3/4