SOLUTION: A denominator is 3 times the numerator of a fraction. If 4 is added to the denominator and 2 subtracted from the numerator, the resulting fraction is 3/4. Find the original fracti

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Question 128457: A denominator is 3 times the numerator of a fraction. If 4 is added to the denominator and 2 subtracted from the numerator, the resulting fraction is 3/4. Find the original fraction.
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
(X-2)/(3X+4)=3/4 CROSS MULTIPLY:
3(3X+4)=4(X-2)
9X+12=4X-8
9X-4X=-8-12
5X=-20
X=-20/5
X=-4 ANSWER.
PROOF:
-4/3*-4=-4/-12=4/12=1/3