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16 July, 20:01

Twice a certain number minus 7 is equal to 5. What is the number.

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Answers (2)
  1. 16 July, 20:04
    0
    6

    Step-by-step explanation:

    Let the number be x.

    2x - 7 = 5

    Add 7 to both sides.

    2x = 5 + 7

    2x = 12

    Divide 2 into both sides.

    x = 12/2

    x = 6

    The number is 6.
  2. 16 July, 20:23
    0
    6

    Step-by-step explanation:

    2x-7=5

    2x=12

    x=6

    x=the varible that represents the number
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