Question

n/2-3n/4+5n/6=21 solve these also ....​

Answer 1

Step-by-step explanation:

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

(6n -9n + 10n)/12 = 21

16n - 9n = 252

7n = 252

n = 252/7

n = 36

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Answer 2

Answer:

Step-by-step explanation:

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

Take lcm of 2,4,6 its 12

Multiply both side by 12

12(n/2)-12(3n/4)+12(5n/6)=21x12

6n-9n+10n=252

7n=252

N=252/7

n=36