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Twice a number when decreased by …

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Twice a number when decreased by 7 gives 45 .. Find the number

    • Posted by Ishika Sisodia 5 years, 9 months ago

    CBSE > Class 07 > Mathematics
    • 2 answers

    Jasmeen Kaur 5 years, 9 months ago

    2x-7=45

    0Thank You

    Yogita Ingle 5 years, 9 months ago

    Let a number be ' x '

    Twice the number = 2x

    According to the problem given,

    Twice the number when decreased by 7 gives 45

    => 2x - 7 = 45

    /* Add 7 both sides of the equation,we get

    => 2x  = 45 + 7

    => 2x = 52

      Divide both sides by 2, we get

    => x = 26

    Therefore,

    Required number = x = 26

     

    1Thank You

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