(3,48-2х):0,07+0,48:0,008=72,24

(3,48-2х):0,07+0,48:0,008=72,24(3,48-2х):0,07+60=72,24(3,48-2х):0,07=72,24-60(3,48-2х):0,07=12,243,48-2х=12,24*0,073,48-2х=0,85682х=3,48-0,85682х=2,6232х=2,6232:2х=1,3116