Twice the sum of a number and six decreased by fifteen is the same as eighteen more than the product of five and the number. Find the number

Question

Twice the sum of a number and six decreased by fifteen is the same as eighteen more than the product of five and the number. Find the number.

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Rylee 2 weeks 2021-11-18T14:52:55+00:00 1 Answer 0 views 0

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    2021-11-18T14:54:50+00:00

    Answer:

    -9

    Step-by-step explanation:

    2(n+6) -15 = 5n+18

    2n + 12 – 15 = 5n + 18

    2n – 3 = 5n + 18

    2n = 5n + 21

    -3n = 21

    n = -9

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45:7+7-4:2-5:5*4+35:2 =? ( )