Вопрос пользователя:
x-4y=-6
3x-y=8
Илюха отвечает:
x-4y=-6
3x-y=8
(x-4y) – 4(3x-y) = -6 -4*8
(3x-y) – 3(x-4y) = 8 – 3(-6)
-11x = -38
11y = 26
x = 38/11
y = 26/11
x-4y=-6
3x-y=8
x-4y=-6
3x-y=8
(x-4y) – 4(3x-y) = -6 -4*8
(3x-y) – 3(x-4y) = 8 – 3(-6)
-11x = -38
11y = 26
x = 38/11
y = 26/11