Question

(1целая 1 восемнадцатых +2x):⅔=4⅓

Answer 1

19/18 + 2х = 13/3  *  2/3
19/18  + 2х = 26/9
2х = 26/9  -  19/18
2х = 52/18 - 19/18
2х = (52-19)/18
2х = 33/18
2х = 11/6
х = 11/6 : 2
х = 11/12

Answer 2

Где ты взял 19/18?

Answer 3

1 целая 1/18 = 19/18