Question

please answer this questions which I marked please fast I want this please​

Answer 1

Answer:

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

ans: take LCM

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

6n+n/12=21

7n/12=21

7n=21×12

n=21×12/7

n=36

36 is the answer

2.x-5/3 =x-3/5

ans:cross multiplication

5(x-5)=3(x-3)

5x-25=3x-9

5x-3x=-9+25

2x=16

x=16/2

x=8

hope this answer help uu

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