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3 December, 19:40

20 less than 8 times a number is the same as 15 more than the number

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  1. 3 December, 20:21
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    20 less than ( - 20) 8 times a number (8x) is the same as (=) 15 more than ( + 15) the number (x).

    8x - 20 = x + 15

    To solve for the number, start by subtracting x from both sides.

    7x - 20 = 15 Add 20 to both sides

    7x = 35 Divide both sides by 7

    x = 5
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