10a-5ax-5ay+2x-y toán 8

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10a-5ax-5ay+2x-y toán 8

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Neala 4 years 2020-10-16T20:48:20+00:00 2 Answers 88 views 0

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  1. giahung
    0
    2020-10-16T20:49:22+00:00
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    10ax – 5ax – 5ay + 2x – y

    = ( 10ax -5ax ) – ( 5ay + y ) + 2x

    = (5ax +2x) – ( 5ay + y )

    = x(5a + 2)- y(5a – y)

    Đề như này mới ra nha

  2. Nick
    0
    2020-10-16T20:50:10+00:00
    Reply

    =))

    `10ax – 5ax – 5ay + 2x – y`

    `= (5ax +2x) – ( 5ay + y )`

    `= x(5a + 2)- y(5a – y)`

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