👤

(x:11-4):3-165:3=12:3

Răspuns :

(x:11-4):3-55=4
(x:11-4):3=55-4= 51
x:11-4 = 51 : 3 =
x:11 = 17 - 4 = 13
x = 13 ori 11
x = 143 .