Solve the equation 3(n+4)=21 So what represents n?

Question

Solve the equation
3(n+4)=21
So what represents n?

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Amelia 2 days 2021-11-25T13:00:48+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-11-25T13:02:02+00:00

    Answer:

    n=3

    Step-by-step explanation:

    3(n+4)=21

    First Step: Divide 3 on both sides

    n+4=7

    Second Step: Subtract 4 from both sides

    n=3

    0
    2021-11-25T13:02:35+00:00

    Answer:

    n = 3

    Step-by-step explanation:

    3(n + 4) = 21 \\ 3n + 12 = 21 \\ 3n = 21 - 12 \\ 3n = 9 \\  \frac{3n}{3}  =  \frac{9}{3}  \\ n = 3

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