Find the two numbers who’s sum is 68 and who’s difference is 106.

Question

Find the two numbers who’s sum is 68 and
who’s difference is 106.

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Khải Quang 3 months 2021-08-03T17:08:56+00:00 1 Answers 3 views 0

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    2021-08-03T17:10:05+00:00

    Answer:

    55 and 23

    Step-by-step explanation:

    x+y=78 & (2):x−y=32,(x>y).

    (1)+(2)⇒2x=110⇒x=55.

    (1),y=78−55=23.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )