3/5х - 2 + х/5х + 4 + 3х/5х =
1) 3/5x - 2 = 3/5x - 10/5 = -7/5x
2) -7/5x + x/5x = -6x/5x
3) -6x/5x + 4 = -6x/5x + 20/5 = 14x/5x
4) 14x/5x + 3x/5x = 17x/5x
5) 17x/5x = 17x:x/5x:x = 17/5 = 3 2/5
ответ будет √5х+2+4х
3/5х - 2 + х/5х + 4 + 3х/5х =
1) 3/5x - 2 = 3/5x - 10/5 = -7/5x
2) -7/5x + x/5x = -6x/5x
3) -6x/5x + 4 = -6x/5x + 20/5 = 14x/5x
4) 14x/5x + 3x/5x = 17x/5x
5) 17x/5x = 17x:x/5x:x = 17/5 = 3 2/5
ответ будет √5х+2+4х