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7 August, 10:15

What is the value of the expression 9+4n-1 when n = 3?

15

20

36

38

+2
Answers (2)
  1. 7 August, 10:56
    0
    First you multiply 4*n and n=3 so 4*3 = 12

    then you have 9+12-1

    9+12 = 21

    21-1=20

    so your answer would be 20
  2. 7 August, 12:40
    0
    20

    Step-by-step explanation:

    Evaluate by substituting n = 3 into the expression

    9 + (4 * 3) - 1 ← evaluate the multiplication before adding / subtracting

    = 9 + 12 - 1

    = 21 - 1

    = 20
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