find x if log (5x+2) - log7(x-2)
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Answer:
log( 5x+2)-log 7 =log x-2
log (5x+2)/7=log x-2
(5x+2)/7=x-2
5x+2=7(x-2)
5x+2=7x-14
14+2=7x-5x
2x=16
x=16/2
x=8
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