Simplify this question 5/x-7/y?

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2007-07-16 03:16:07 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

5/x-7/y
mutiply the first term by y/y and the second by x/x to make the common denominator of xy

5y/xy-7x/xy
(5y-7x)/xy

2007-07-16 03:24:17 · answer #1 · answered by gordonmorrison 6 · 0⤊ 0⤋

I agree with Mr. Man if it involves solving for Y to simplify, but then your answer would need to be y=7x/5

2007-07-16 10:24:35 · answer #2 · answered by JJ 5 · 0⤊ 0⤋

i guess the equation is equal to zero

5/x-7/y = 0

5/x = 7/y

5y=7x

2007-07-16 10:22:35 · answer #3 · answered by Mr Man 2 · 0⤊ 0⤋

5y/xy - 7x/xy

(5y-7x)/xy

2007-07-16 10:21:38 · answer #4 · answered by gebobs 6 · 0⤊ 0⤋