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14 October, 04:54

51 times the difference between a number and 21 is equal to the number plus 58.

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  1. 14 October, 07:02
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    51 (x - 21) = x + 58

    Distributive property

    51x - 1071 = x + 58

    Subtract x from both sides

    50x - 1071 = 58

    Add 1071 to both sides

    50x = 1129

    Divide both sides by 50

    x = 22.58
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