Автор - djariat

Решите систему уравнений:
{3x-2y=16
{x+4y=-4

Ответ

Автор - osinskiy28
x = -4 - 4y

3(-4 - 4y) - 2y = 16
-12 - 12y - 2y = 16
-12y - 2y = 16 + 12
-14y = 28
y = - 2
x = -4 - 4*(-2) = -4 - (-8) = 4

Ответ: x = 4, y = -2

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