Question

Solve.
log3 (2x + 5) = 3
Enter your answer in the box.
X = ?

Answer 1

x = 11

Explanation:

using the rule of logarithms

`log_(b)` x = n ⇒ x =
`b^(n)`

given

`log_(3)` (2x + 5) = 3 , then

2x + 5 = 3³ = 27 ( subtract 5 from both sides )

2x = 22 ( divide both sides by 2 )

x = 11