Math, asked by beautykumari8075, 10 months ago

N by 2 minus 3 n by 4 + 5 n by 6 is equal to 28

Answers

Answered by shashankpaib

Answer:

Step-by-step explanation:

taking the lcm of 2,4,6

we get

n×6/2×6 - 3n×3/4×3 + 5n×2/6×2 = 21

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

7n/12 = 21

n = 21×12/7

n = 3×12=36

Hope this helps

Answered by Anonymous

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$\frac{n}{2} - \frac{3n}{4} + \frac{5n}{6} = 28 \\ => \frac{6n - 9n + 10n}{12} = 28 \\ => \frac{ - 3n + 10n}{12} = 28 \\ => \frac{7n}{12} = 28 \\ => n = \frac{28 \times 12}{7} \\ => n = 48$

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