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Plz help me with this

Plz help me with this
asked 146k views
5 votes
Plz help me with this

Plz help me with this-example-1
asked
User Rijvi Rajib
by
9.4k points

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}

answered
User Etienne Dechamps
by
6.9k points
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