A) X + 7 = –23 + 5B) 2X + 1 – 8 = 8C) (4X – 16)

Bài 2 : Tìm x biết:

a) x + 7 = –23 + 5

b) 2

x + 1

– 8 = 8

c) (4x – 16) : 3

2

= 4