Question

Page No.
Date
n-3
n
= 12,
then
n
= ?​

Answer 1

Answer:

n-3=12

n=12+3=15

If n-3+n=12

2n=12+3=2n=15,n=15/2

Answer 2

Answer:

n3- n= n (n2-1) =n(n-1) (n+1)

Step-by-step explanation:

when a number is divisible by 3 the reminder obtain is either 0;1;2