Question

решите уравнение: 1,4/2х-1=2,1/7,5

Answer 1

1,4/2х-1=2,1/7,5
1,4/2х=0,28+1
1,4/2х=1,28
2х=1,4/1,28
2х=14/10:128/100
2х=35/32
х=35/32:2
х=35/64