Question

If 12=n-9, what is the value of n?

Answer 1

n = 21

Explanation:

How can we solve this?

12 = n - 9

12 + 9 = n - 9 + 9

12 + 9 = n

21 = n

So, the value of n is 21

Answer 2

n = 21

Explanation:

Let's simplify this.

First, we reorder the terms.

12 = n - 9

n - 9 = 12

Add 9 to both sides.

n = 12 + 9

For now I am going to focus on the right side.

n = 21

Therefore, n = 21 is the answer.