SOLUTION: The numerator of a certain fraction is 7 less than its denominator. If 4 is subtracted from the numerator and 1 added to the denominator, the resulting fraction equals 1/3. find th

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Question 459358: The numerator of a certain fraction is 7 less than its denominator. If 4 is subtracted from the numerator and 1 added to the denominator, the resulting fraction equals 1/3. find the fraction.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
(d-7)/d
(d-7-4)/(d+1)=1/3
(d-11)/(d+1)=1/3
3(d-11)=(d+1) multiply each side by 3(d+1)
3d-33=d+1
2d=34
d=17
10/17 is the fraction.
.
Ed