Question

n upon 2 - 3 n upon 4 + 5 n
upon 6 is equal to 21 ​

Answer 1

Answer:

n = 36

Step-by-step explanation:

n/2 - 3n / 4 + 5n/6 = 21

- n/4 + 5n/6 = 21

- 6n/24 + 20n / 24 = 21

14n / 24 = 21

7n / 12 = 21

7n = 252

n = 36