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8 June, 03:00

10n + 20n - 80 = 0

What's the answer

+2
Answers (2)
  1. 8 June, 05:53
    0
    n=8/3

    Step-by-step explanation:

    combine like terms: 30n-80=0

    add 80 to both sides: 30n=80

    divide by 30: n=80/30

    simplify: n=8/3
  2. 8 June, 06:04
    0
    10n + 20n - 80=0

    30n-80=0

    30n=80

    Devide by 30 on each side so "n" can stay alone

    n = 30

    -

    80

    Reduce by 10 to simpler form

    n = 3

    -

    8

    Thats the ans
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