Tìm x
A 3/4x + 1/2 = -5/6 b -2/5 - 1/2 x = 1/4
C 6/7 x x = 18/23 d 15/119 x x = 1
E x chia 5/6 = 4/7 F) x - 3/7 : 9/14 = -7/3
G 9/13 x x = 11/8-125/1000
H) (x - 1/2): 3/11=11/4
C 6/7 x x = 18/23 d 15/119 x x = 1
E x chia 5/6 = 4/7 F) x - 3/7 : 9/14 = -7/3
G 9/13 x x = 11/8-125/1000
H) (x - 1/2): 3/11=11/4