Răspuns :
a+b+c= 2154
a= 2 b
c = 3 b + 18
2b+b+3b+18=2154
6b=2154-18
6b=2136
b=2136:6
b=356
a=2x356=712
c=3x356+18=1086
a= 2 b
c = 3 b + 18
2b+b+3b+18=2154
6b=2154-18
6b=2136
b=2136:6
b=356
a=2x356=712
c=3x356+18=1086
a+b+c= 2154;
a= 2 b;
c = 3 b + 18;
2b+b+3b+18=2154;
6b=2154-18;
6b=2136;
b=2136:6;
b=356;
a=2x356=712;
c=3x356+18=1086. Sper ca te-am ajutat!