What is the value of n in the equation – {(2n + 4) + 6 = -9 +4(2n + 1)

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What is the value of n in the equation – {(2n + 4) + 6 = -9 +4(2n + 1)

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Thành Công 4 years 2021-08-11T05:44:03+00:00 1 Answers 16 views 0

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  1. thienhuong
    0
    2021-08-11T05:46:01+00:00
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    Answer:

    n = 2.5 or n = (5/2)

    Step-by-step explanation:

    (2n+4) +6 = -9 + 4(2n+1)

    first distribute the 4 to the (2n+1)

    (2n+4) +6 = -9 + (8n+4)

    then add 9 to both sides to cancel out the -9 on the right side

    (2n+4) +15 = (8n+4)

    next subtract (2n+4) from both sides to cancel out the (2n+4) on the left side combining like terms as you subtract

    15 = 6n

    then divide 15 by 6 to get your final answer

    n = 2.5

    or

    n = (5/2)

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