Question

Log 3 (x + 7) = 2

The 3 is a subscript

Answer 1

Answer:

x = 2

Step-by-step explanation:

Using the rule of logarithms

$log_{b}$ x = n ⇒ x = $b^{n}$

Given

$log_{3}$ ( x + 7) = 2 , then

x + 7 = 3² = 9 ( subtract 7 from both sides )

x = 2