Question

In a certain fraction, the denominator is 4 less than the numerator. If 3 is added to
both the numerator and denominator, the resulting fraction is equal to 9/7 find the
original fraction.
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Answer 1

Answer:

Step-by-step explanation:Let the fraction be x/x+4

Now when 3 is added to both numerator and denominator it becomes

x+3/x+4+3=9/7

x+3/x+7=9/7

On cross multiplying we get,

7x+21=9x+63

21-63=2x

-42/2=x

x=-21

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Answer 2

Answer:

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