Answer:
n = 20
Explanation:
= 4
You need to get rid of the 6 in the denominator on the left hand side to make it easier to solve, so multiply both sides by 6. So you would get:
(
) × 6 = 4 × 6
n+4 = 24
Then just rearrange for n by subtracting 4 on both sides.
n+4 = 24
n= 24-4
n=20