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23 November, 09:43

Five times the sum of a number and 13 is 20. Find the number

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Answers (2)
  1. 23 November, 10:51
    0
    -9

    Step-by-step explanation:

    Let the number be x.

    5 (x+13) = 20

    Expand.

    5x+65 = 20

    Subtract 26 on both sides.

    5x = 20 - 65

    5x = - 45

    Divide 5 into both sides.

    x = - 45/5

    x = - 9

    The number is - 9.
  2. 23 November, 12:51
    0
    x = - 9

    Step-by-step explanation:

    Step 1: Write out expression

    5 (x + 13) = 20

    Step 2: Distribute

    5x + 65 = 20

    Step 3: Isolate x

    5x = - 45

    x = - 9

    And we have our answer!
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