Botius
4 год назад
{2x-y = 1{x-2y = 3 да все баллы
ОТВЕТЫ
Демид
Oct 6, 2020
{2x - y = -1
{x + y = - 2
{2x - y = 1
{y = -2 - x
2x - (-2-x) = -1
x = -1
y = -2 - (-1)
y = -1
(-1; -1)
35
{2x - y = -1
{x + y = - 2
{2x - y = 1
{y = -2 - x
2x - (-2-x) = -1
x = -1
y = -2 - (-1)
y = -1
(-1; -1)