Răspuns :
x + 2/3 = 5/2
x = 5/2 - 2/3
x = (15 - 4)/6
x = 11/6
2x + 1/5 = 4/3
2x = 4/3 - 1/5
2x = (20-3)/15
2x = 17/15
x = 17/15 : 2
x = 17/30
x = 5/2 - 2/3
x = (15 - 4)/6
x = 11/6
2x + 1/5 = 4/3
2x = 4/3 - 1/5
2x = (20-3)/15
2x = 17/15
x = 17/15 : 2
x = 17/30