2 целых 2/5x + 3 целых 2/15 = 3 целых 2/5x + 2 целых 1/3
2 2/5x - 3 2/5x = 2 1/3 - 3 2/15
-x = 2 5/15 - 3 2/15
-x = -12/15
x = 4/5
2 целых 2/5x + 3 целых 2/15 = 3 целых 2/5x + 2 целых 1/3
2 2/5x - 3 2/5x = 2 1/3 - 3 2/15
-x = 2 5/15 - 3 2/15
-x = -12/15
x = 4/5