Question

35.
2x + y = 4
(4x + 2y = 5

Answer 1

{2x + y = 4
{4x + 2y = 5

{у = 4 - 2х
{4х + 2у = 5
4х + 2*(4 - 2х) = 5
4х + 8 - 4х = 5
8 = 5
Нет решений