Решите уравнение: 2x+9,8=13,6 4,2x-6=3,66 (7-0,2x)*1,4=7,56

2х=13,6-9,82х=3,8х=3,8:2=1,94,2х=3,66+64,2х=9,66х=9,66:4,2х=2,39,8-0,28х=7,569,8-7,56=0,28х0,28х=2,24х=2,24:0,28=8

2х + 9,8 = 13,62х = 13,6 - 9,82х = 3,8х = 3,8 : 2х = 1,9отв.: х  = 1,94,2x-6=3,664,2х = 3,66 + 64,2х = 4,26х  = 4,26 : 4,2х = 10,1428571отв.:х = 10,1428571(7-0,2x)*1,4=7,567-0,2x = 7, 56 : 1,47 - 0,2х = 5,40,2х = 7 - 5,40,2х = 1,6х = 1,6 : 0,2х = 8отв.: х = 8