2 4/5
Пошаговое объяснение:
2x+1/15-3 1/5 = 2 7/15
2x = 2 7/15 - 1/15 + 3 1/5
2x = 2 6/15 + 3 1/5
2x = 2 2/5 + 3 1/5
2x = 5 3/5
2x = 28/5
x = 14/5
x = 2 4/5
2 4/5
Пошаговое объяснение:
2x+1/15-3 1/5 = 2 7/15
2x = 2 7/15 - 1/15 + 3 1/5
2x = 2 6/15 + 3 1/5
2x = 2 2/5 + 3 1/5
2x = 5 3/5
2x = 28/5
x = 14/5
x = 2 4/5