Odpowiedź :
x + y = 47
x/y = 2 + 5/y
x = 47 - y
(47 - y)/y = 2 + 5/y
x = 47 - y
47/y - 1 = 2 + 5/y
x = 47 - y
42/y = 3
x = 47 - y
y = 42/3
x = 33
y = 14
x/y = 2 + 5/y
x = 47 - y
(47 - y)/y = 2 + 5/y
x = 47 - y
47/y - 1 = 2 + 5/y
x = 47 - y
42/y = 3
x = 47 - y
y = 42/3
x = 33
y = 14