Question

Сroчнooooooooooooooooooo

Answer 1

Ответ:

x = 4 - y

x^{2} - y^{2} = 8

(4 - y)^{2} - y^{2} = 8

y = 1

x = 4 - 1

x = 3

(x = 3)

(y = 1)

3 + 1 = 4

3 ^{2} - 1^{2} = 8

4 = 4

8 = 8