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OpenStudy (anonymous):
A certain fraction is equivalent to 2/3. If 3 is added to the numerator, and 1 is added to the denominator, the resulting fraction is equivalent to 3/4. What is the numerator of the original fraction?
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OpenStudy (mathstudent55):
x/y = 2/3 (x + 3)/(y + 1) = 3/4
OpenStudy (mathstudent55):
x is what you're looking for.
OpenStudy (anonymous):
i'm getting x=0 O.O
OpenStudy (anonymous):
No....
OpenStudy (anonymous):
mathstudent is correct with his equation. can you solve the system?
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OpenStudy (anonymous):
I'll try again :P
OpenStudy (anonymous):
kk. :) .
OpenStudy (mathstudent55):
Since all you need is x, solve one equation for y and substitute into y of the other equation. This way you get an equation in x alone. |dw:1356323294587:dw|
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