Question

n/2 - 3n/4 + 5n/6 = 21​

Answer 1

Answer:

36

Step-by-step explanation:

may it will help you..........

Answer 2

Step-by-step explanation:

$\frac{n}{2} - \frac{3n}{4} + \frac{5n}{6} = 21$

$\frac{6n - 9n + 10n}{12} = 21$

$7n = 252$

$n = 36$