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17 July, 20:41

Five times the sum of 9 and some number is 145. What is the number?

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  1. 17 July, 20:44
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    x=20

    Step-by-step explanation:

    5 (x+9) = 145 (watch carefully)

    5x + 45 = 145

    5x + 45 - 45 = 145 - 45

    5x = 100

    5x/5 (to cancel eachother out) then - -> 100/5

    x=20
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