Răspuns :
a+b-c=18
a+b=41
Inlocuim a doua relatie in prima si avem 41-c=18 => c=41-18 => c=23
a-23=14 =>a=23+14 =>a=37
37+b=41 =>b=41-37 =>b=4
a+b=41
Inlocuim a doua relatie in prima si avem 41-c=18 => c=41-18 => c=23
a-23=14 =>a=23+14 =>a=37
37+b=41 =>b=41-37 =>b=4
a+b-c=18
a+b=41=> b=41-a
a-c=14=>c=a-14
a+41-a-a+14=18
55-a=18=>a=37, b=41-37=4, c=37-14=23
a+b=41=> b=41-a
a-c=14=>c=a-14
a+41-a-a+14=18
55-a=18=>a=37, b=41-37=4, c=37-14=23