Вопрос школьника по предмету Математика
А) решите системные уравнения способом сложения:
{х+у=4
{2х-у=2
Б) способом подстановки
{Х-у = -7
{3х + 4у=0
Ответ с решение пж срочно
Ответ учителя по предмету Математика
Ответ А)(2;2) Б)(-4;3)
А) решите системные уравнения способом сложения:
{х+у=4
{2х-у=2
Б) способом подстановки
{Х-у = -7
{3х + 4у=0
Ответ с решение пж срочно
Ответ А)(2;2) Б)(-4;3)
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