3/4 Х - 1 1/2 = 1 2/3 - 1/5Х
3/4Х + 1/5Х = 1 2/3 + 1 1/2
19/20Х = 19/6
Х = 3 1/3
3/4х - 1,5 = 1 2/3 - 0,2х
0,75х + 0,2х = 1 2/3 + 1 1/2
0,95х = 1 4/6 + 1 3/6
0,95х = 2 7/6
19/20х = 3 1/6
19/20х = 19/6
Х = 19/6 : 19/20
Х = 10/3
Вроде бы так
3x/4-15/10-5/3+2x/10
2x/10+3/4x-15/10-5/3=0
4+5x/20-45-50/30=0
19x/20+5/30=0
19x/20=-5/30
чем смогла
3/4 Х - 1 1/2 = 1 2/3 - 1/5Х
3/4Х + 1/5Х = 1 2/3 + 1 1/2
19/20Х = 19/6
Х = 3 1/3
3/4х - 1,5 = 1 2/3 - 0,2х
0,75х + 0,2х = 1 2/3 + 1 1/2
0,95х = 1 4/6 + 1 3/6
0,95х = 2 7/6
19/20х = 3 1/6
19/20х = 19/6
Х = 19/6 : 19/20
Х = 10/3
Х = 3 1/3
Вроде бы так