Răspuns :
x + 103 = 4 506
x = 4 506 - 103
x = 4 403
x - 108 = 216
x = 216 + 108
x = 324
x - 36 < 41
x < 41 + 36
x < 77
x + 7 002 < 7 009
x < 7 009 - 7 002
x < 7
x = 4 506 - 103
x = 4 403
x - 108 = 216
x = 216 + 108
x = 324
x - 36 < 41
x < 41 + 36
x < 77
x + 7 002 < 7 009
x < 7 009 - 7 002
x < 7