1, x-2=-6
2, (-5)+x=15
3, -5x+17=2
4, 45-(x-9)=-35
5, 2x-(-17)=1
6, |x-2|=3
7, |x-3|-7=13
8, 72-3.|x+1|=9
9, 17-(43-|x|)=45
10, 3|x-1|-5=7
11, -12(x-5)+7(3-x)=5
12, (x-2).(x+4)=0
13, (x-2).(x+15)=0
14, (7-x).(x+19)=0
15, -5<x<1
16, |x|<3
Đề: tìm X
Loga
Sinh Học lớp 12
