{x = 11 + 2y
{2(11+2y) - 5 = y
22 + 4y - 5 - y = 0
3y = 17
{y = 5 2/3
{x = 11 + 2×5 2/3 = 11 + 11 1/3 = 22 1/3
x = 22 1/3
y = 5 2/3
Відповідь: (22 1/3; 5 2/3)
{x = 11 + 2y
{2(11+2y) - 5 = y
22 + 4y - 5 - y = 0
3y = 17
{y = 5 2/3
{x = 11 + 2×5 2/3 = 11 + 11 1/3 = 22 1/3
x = 22 1/3
y = 5 2/3
Відповідь: (22 1/3; 5 2/3)