Tìm x biết 3/7 - 1/2x = 5/3

1
3/7 - 1/2x = 5/3

-2/3x + 2 = 3/4

3/4 - 5/6x = 2 - 2/3
2
 

a, | -5x | = 5/3

b, |3x| = 1/3 - 1/4

c, |2x - 1 | = 1/4

d, | -2x - 1 | =1/6

e, | x - 1/4 | = 1/7 - 1/-3