-1
9x+7
10n + 7
4? what is yr question
4*(N-7)
-1
9x+7
6
47
10n + 7
The number is -3. 7 x -3 = -21
4? what is yr question
4*(N-7)
Well first of all, I wouldn't call it a translation; it's more of a presentation. (n - 5) * 7
21 is the product of two prime numbers, three and seven. A prime number is defined as a number divisible only by one or itself. So ... NO ... 21 is not a prime number.
It is: 13+x+7x or as 13+8x
The number is 231.