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13 December, 06:23

The sum of a number times 9 and 19 is at most - 21

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  1. 13 December, 07:15
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    Let x be the number

    Write inequality

    9x + 19 ≤ - 21

    Subtract 19 from both sides:

    9x ≤ - 40

    x ≤ - 40/9

    Mixed number form x < = - 4 (4/9)
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