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19 May, 11:38

The sum of 5 times a number and - 7, added to 9 times the number

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  1. 19 May, 11:48
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    I will use "x" to represent the (unknown) number

    (5x - 7) + 9x

    [sum (addition) of 5 times (multiplication) a number and - 7, added to 9 times the number. So 5x and - 7 are added together, then the sum of 5x and - 7 is added to 9x]

    Do they want this simplified?
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