Ответ:
xy=4x-4y
x=15-y
(15-y)y=4(15-y)-4y
y=3
y=20
x=12
x=-5
(x1, y1)=(12, 3)
(x2, y2)=(-5, 20)
Объяснение:
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Ответ:
xy=4x-4y
x=15-y
(15-y)y=4(15-y)-4y
y=3
y=20
x=12
x=-5
(x1, y1)=(12, 3)
(x2, y2)=(-5, 20)
Объяснение: