Posted by anonymous on Wednesday, January 9, 2013 at 12:29pm.
log [(x-5)/(x+9)]= log[(x-7)/(x+9) ]
(x-5)(x+9) = (x-7)(x+9)
x-5 = x- 7
no solution
x-5/x+9 is equal to x-7/x+9
(x+9 )(x-5) is equal to (x-7)(x+9)
x2-5x+9x -40 equals x2-9x-7x-63
nw solve from there:)
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