TÌM X NGUYÊNA) 3(X + 6) – 53 = 2(X – 8) – 1B) (X – 140)
Bài 2: Tìm x nguyêna) 3(x + 6) – 5
3
= 2(x – 8) – 1b) (x – 140):7 = 33
– 23
.3c) 3x + 1
+ 3x + 2
= 3243
= 2(x – 8) – 1b) (x – 140):7 = 33
– 23
.3c) 3x + 1
+ 3x + 2
= 324