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8 August, 07:42

nine less than three times a number is greater than forty

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  1. 8 August, 08:01
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    Start with an equation.

    Nine less ... so - 9

    3 times a number = 3x

    Greater than 40 is >40

    So put together is 3x-9>40

    When solving I imaging the greater than sign as an equal sign. Less confusing.

    3x-9=40

    3x=49

    x>49/3
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