find the Sum of two consecutive odd numbers plus eighteen is 170

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find the Sum of two consecutive odd numbers plus eighteen is 170

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Trung Dũng 4 years 2021-08-07T02:16:34+00:00 1 Answers 18 views 0

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  1. Nick
    0
    2021-08-07T02:18:31+00:00
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    Answer:

    75, 77

    Step-by-step explanation:

    Let the first odd number = 2x -1

    Let the second odd number = 2x + 1

    2x – 1 + 2x + 1 + 18 = 170           Combine like terms on the left.

    4x + 18 = 170                             Subtract 18 from both sides.

    4x = 170 – 18                             Combine like terms on the right

    4x = 152                                     Divide by 4

    4x/4 = 152/4

    x = 38

    2 * 38 – 1 = 75

    2 * 38 + 1 = 77

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