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14 January, 19:00

Jim earned $700 this week. This was $20 less than four times the amount he earned last week. Which equation, when solved for x, gives the amount of money Jim earned last week?

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  1. 14 January, 19:25
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    The equation, when solved for x, gives the amount of money Jim earned last week is: 700 = 4x - 20

    Solution:

    Given that,

    Jim earned $700 this week

    This was $20 less than four times the amount he earned last week

    To find: amount of money Jim earned last week

    Let "x" be the amount of money Jim earned last week

    From given,

    Jim earnings this week = $20 less than four times the amount he earned last week

    Therefore,

    700 = 4x - 20

    Thus the equation is found
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