5(x+12)+22= 92
5(x+12) = 92-12
5(x+12) = 80
(x+12) = 80:5
(x+12) = 16
x = 16-12
x = 4
k mk nha
5(x+12)+22=92 5(x+12)=92-22 5(x+12)=70 x+12=70:5 x+12=14 x=14-12 x=2
5(x + 2) + 22 = 92
5(x +2) = 92 - 22
5(x + 2) = 70
x + 2 = 70: 5
x + 2 = 14
x = 14 - 2
x = 12
ủng hộ mk nha !!!! ^_^