a + b + c = 3 258
a = 2×b
c = 3×b + 24
inlocuim in prima relatie in functie de b
2×b + b + 3×b + 24 = 3 258
6×b = 3 258 - 24
6×b = 3 234
b = 3 234 : 6
b = 539
a = 2×539 = 1 078
c = 3×539+24 = 1 617 + 24 = 1 641
a = 1 078
b = 539
c = 1 641
Verificare:
1 078 + 539 + 1 641 = 3 258