(1 7/18-1/2x)+5/9=17/18

(17/18-1/2х)+5/9=17/18
17/18-1/2х=17/18-5/9
17/18-1/2х=7/18
-1/2х=7/18-17/18
-1/2х=-10/18
х=-10/18:-1/2
х=5/18
ответ:5/18