Răspuns:
a+b=34
a=b+8
b+8+b=34 => 2b=34-8 => 2b= 26 => b=26:2=13
a=13+8=21
21+13=34
Fie a si b numerele cautate
[tex]\it a+b = 34\\\\a+8=b\\\\\text{\it inlocuim pe b in prima relatie}\\\\a+a+8=34\\\\2a+8=34\\\\2a=34-8\\\\2a=26\:\:\:|:2\\\\\boxed{\it a = 13}\\\\b = 13+8\\\\\boxed{\it b = 21}\\\\Verificare: 13+21=34\:(adevarat)[/tex]
Răspuns: 13 primul numar
21 al doilea numar
