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

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

n=36

n=30

n=6

n=3

Verified by Experts

The correct Answer is:

(x)/(2)-(1)/(5)=(x)/(3)+(1)/(4)
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(n)/(2)-(3n)/(4)+(5n)/(6)=21
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x+7-(8x)/(3)=(17)/(6)-(5x)/(2)
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निम्नलिखित समीकरण को हल कीजिये- (x-5)/(3)=(x-3)/(5)
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(3t-2)/(4)-(2t+3)/(3)=(2)/(3)-t
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m-(m-1)/(2)=1-(m-2)/(3)
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3(t-3)=5(2t+1)
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हल कीजिए : 15(y-4)-2(y-9)+5(y+6)=0
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3(5z-7)-2(9z-11)=4(8z-13)-17
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0.25(4f-3)=0.05(10f-9)
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