Реши систему уравнений:
⎧⎩⎨1x+y+1x−y=127x+y+5x−y=66


⎧⎩⎨⎪⎪⎪⎪⎪⎪⎪⎪⎪⎪x=
y=
(Дробь в ответе должна быть сокращённой).
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