Ответ:
(-7/6; -5/3).
Объяснение:
2x - 5y = 6
8x - 5y = -1 | *-1
2x - 5y - 8x + 5y = 6 + 1
5y - 8x = 1
-6x = 7
x = -7/6
5y - 8(-7/6) = 1
х = -7/6
5y = -25/3
y = -5/3
Відповідь: (-7/6; -5/3).
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Ответ:
(-7/6; -5/3).
Объяснение:
2x - 5y = 6
8x - 5y = -1 | *-1
2x - 5y - 8x + 5y = 6 + 1
5y - 8x = 1
-6x = 7
5y - 8x = 1
x = -7/6
5y - 8(-7/6) = 1
х = -7/6
5y = -25/3
x = -7/6
y = -5/3
Відповідь: (-7/6; -5/3).