# Algebra 2

The Denominator of a fraction exceeds the numerator by 4. When 3 is added to both the numerator and denominator, the fraction becomes 4/5. Find the fraction.

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1. 13/17

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2. numerator --- x
denominator --x+4

(x+3)/(x+7) = 4/5
5x + 15 = 4x+28
x = 13

fraction was 13/17

check : add 3 to top and bottom ---> 16/20 = 4/5

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3. if the denominator of a fraction be added to the numerator and the numerator be sub-tracted from the denominator, it becomes its numerator by 3. find the fraction. 4 1/3 the denominator of the fraction exceeds

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