(7/8x -1/2x) 4/5=3 уравнение

Question

(7/8x -1/2x) 4/5=3 уравнение

Answer 1

(7/8х - 1/2х)4/5 = 3
7/8х - 1/2х = 3 : 4/5
3/8х = 15/4
х = 15/4 : 3/8
х = 10