Question

Use the equation n = 10m - 9 to find n when m = 3.

Answer 1

N =21
If m =3
You multiply (10x3) = 30
And then n= 30-9
N = 21

Answer 2

21

Explanation:

Plug in 3 for m in the equation:

n=10x3-9

n=30-9

n=21