Math, asked by pujadhumal, 7 months ago

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

Answers

Answered by athulyavincent

9

Step-by-step explanation:

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Answered by aditiyadav02

2

Answer:

n = 36

Step-by-step explanation:

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

Lcm = 12

==: 6n/12 - 9n/12 + 10n/12 = 21

==: 7n/12 = 21

==: n = 21 * 12/7

==: n = 36

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