What is the sum of the expressions for n=-2n=−2 and m=5m=5 ?

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What is the sum of the expressions for n=-2n=−2 and m=5m=5 ?

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Vân Khánh 3 years 2021-08-30T22:59:42+00:00 1 Answers 14 views 0

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  1. yenoanh
    0
    2021-08-30T23:01:23+00:00
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    Answer:

    – 43

    Step-by-step explanation:

    Expression: (3m+2n−6) and (−4−6m+7n)

    n= -2 and m=5

    Before inserting the values, let’s add both expressions.

    (3m+2n−6)  + (−4−6m+7n)

    3m+2n−6   −4 − 6m + 7n

    -3m + 9n – 10

    Inserting the values;

    -3(5) + 9(-2) – 10

    -15 – 18 -10

    – 43

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