Răspuns :
a-b=50
a
-- = 3 rest 10 adica => a=3b+10
b
Inlocuind a a =3b+10 in a+b=50
=> 3b+10+b=50 => 4b=40 => b=10
a+b=50 => a+10=50 => a=40
a
-- = 3 rest 10 adica => a=3b+10
b
Inlocuind a a =3b+10 in a+b=50
=> 3b+10+b=50 => 4b=40 => b=10
a+b=50 => a+10=50 => a=40