Question

find the value of x - 9 when x = 12.

Explanation:

Step1: Substitute x with 12

We know that \( x = 12 \), so we substitute \( x \) in the expression \( x - 9 \) with 12. The expression becomes \( 12 - 9 \).

Step2: Calculate the result

Now we calculate \( 12 - 9 \), which equals 3.

Answer:

3