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Plz help me with this
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5 votes
Plz help me with this

Plz help me with this-example-1
User Rijvi Rajib
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1 Answer

6 votes

Answer: c) x = 5

Explanation:


2\ log_3\ (x+4)-log_3\ 9=2\\\\2\ log_3\ (x+4)-log_3\ 3^2=2\\\\2\ log_3\ (x+4)-2=2\\\\2\ log_3\ (x+4)=4\\\\log_3\ (x+4)=2\\\\x + 4 = 3^2\\\\x+4=9\\\\\large\boxed{x=5}

User Etienne Dechamps
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