Question

suma a doua numere naturale este 5.357 . Daca unul dintre numare se dubleaza , suma devine 8.216 . Afla cele doua numere .
dau coroana + 5 stele +multumesc

Answer 1

a+b=5357
2a+b=8216
a=8216-5357
a=2859
2a+b=8216
2x2859+b=8216
5718+b=8216
b=8216-5718
b=2498
proba
a+b=2859+2498=5357
Coroana!!!

Answer 2

a+b=5357=>a=5357-b
2a+b=8216
2(5357-b)+b=8216
10714-2b=8216
-2b=8216-10714
-2b=-2498
2b=2498
b=1249
a=5357-1249=4106