Зm — 2n = 12 can someone help me on khan

Question

Зm — 2n = 12
can someone help me on khan

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Thu Giang 3 years 2021-08-20T09:40:43+00:00 2 Answers 7 views 0

Answers ( )

  1. bonexptip
    0
    2021-08-20T09:41:53+00:00
    Reply

    Answer:

    n=3m/2-6

    Step-by-step explanation:

    solving for m

    3m-2n=12

    +2n        +2n

    3m=2n+12 (divide 3 by all numbers)

    m=2n/3+4

    solving for n

    3m-2n=12

    -3m       -3m

    -2n=-3m+12 (divide all numbers by -2)

    n=3m/2-6

  2. haidang
    0
    2021-08-20T09:42:23+00:00
    Reply

    U solving m=
    m
    =4+2n/3

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