If a number is added to the numerator of 7/9 and the same number is subtracted from the denominator, the result is 3. Find the number.

asked Dec 28, 2021 209k views

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3 votes

Answer:

Explanation:

$(7+x)/(9-x)=3\\ 7+x = 3(9-x)\\7+x=27-3x\\x+3x=27-7\\4x=20\\x=5$

Omidh answered Jan 1, 2022

by Omidh

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