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20-09-2015
Mathematics

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3/5n 9/10=1/5n-23/10

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20-09-2015

(3/5n)(9)10=1/5n−23/10

27/50n=1/5n+−23/10

Subtract 1/5n from both sides.

27/50n−1/5n=1/5n+−23/10−1/5n

17/50n=−23/10

Multiply both sides by 50/17.

(50/17)*(17/50n)=(50/17)*(−23/10)

n=−115/17

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