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If y((3x-5)/2) =y and y#0, then x =

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If y((3x-5)/2) =y and y#0, then x = [#permalink] New post 03 Dec 2012, 04:04
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If y(\frac{3x-5}{2}) =y and y\neq{0}, then x =

(A) 2/3
(B) 5/3
(C) 7/3
(D) 1
(E) 4
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Re: If y((3x-5)/2) =y and y#0, then x = [#permalink] New post 03 Dec 2012, 04:05
If y(\frac{3x-5}{2}) =y and y\neq{0}, then x =

(A) 2/3
(B) 5/3
(C) 7/3
(D) 1
(E) 4

Since y\neq{0}, then we can reduce the equation by it: \frac{3x-5}{2}=1 --> 3x-5=2 --> x=\frac{7}{3}.

Answer: C.
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Re: If y((3x-5)/2) =y and y#0, then x = [#permalink] New post 07 Dec 2012, 04:39
y(\frac{3x-5}{2}) =y
\frac{3x-5}{2}=1
3x-5=2
3x=7
x=7/3

Answer: 7/3
Re: If y((3x-5)/2) =y and y#0, then x =   [#permalink] 07 Dec 2012, 04:39
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