1/3x -1/4=3-1/2x
Пожалуйста

1/3х - 1/4 = 3 - 1/2х
1/3х + 1/2х = 3 + 1/4
2/6х + 3/6х = 13/4
5/6х = 13/4
Х = 13/4 : 5/6
Х = 39/10
Х = 3,9

1/3 x - 1/4 = 3 - 1/2x
1/3 х + 1/2 х = 3 + 1/4
2/6 х + 3/6 х = 13/4
5/6 х = 13/4
х = (13/4) : (5/6)
х = (13×6)/(4×5)
х = 39/10
х = 3.9