Final answer:
To make k the subject in the equation n = k + 4, you can rearrange the equation by subtracting 4 from both sides.
Step-by-step explanation:
To make k the subject in the equation n = k + 4, you can rearrange the equation by subtracting 4 from both sides:
n - 4 = k
So, the equation to make k the subject is k = n - 4.
Learn more about Rearranging equations