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19 October, 12:14

a number is multiplied by 3 and then 7 is added. The result is doubled, giving the answer 80. Using n to represent the original number. Write an equation

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  1. 19 October, 16:04
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    2 (n*3 + 7) = 80

    Step-by-step explanation:

    2 (n*3 + 7) = 80

    n*3 + 7 = 40

    n*3 = 33

    n = 11
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