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4 July, 23:06

The sum of 3 consecutive odd numbers is 51 what is the second number in the sequence

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  1. 4 July, 23:36
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    Consecutive means oneright after another, right. So it's asking for three numbers, that are one after the other;

    let x be the first number, then the next number - x+1; x+2

    so the three cinsecutive numbers would be;

    x, x+1, x+2

    so we have;

    Find 3 consecutive integers with the sum of 51.

    x+x+1+x+2=51

    add like terms;

    3x+3=51

    3x=48

    x=16

    x+1=17

    x+2=18

    Find 3 consecutive integers whose sum is - 15.

    x+x+1+x+2=-15

    3x+3=-15

    3x=-18

    x=-6

    x+1=-5

    x+2=-4

    Find 4 consecutive integers whose sum is 30.

    x+x+1+x+2+x+3=30

    4x+6=30

    4x=24

    x=6

    x+1=7

    x+2=8

    x+3=9

    understand?
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