Answer:
The value of x is -1/2 .
Step-by-step explanation:
You have to use Logarithm Law,
[tex] {a}^{x} = y => log_{a}(y) = x[/tex]
So for this question :
[tex] log_{7}(7) = 2x + 2[/tex]
[tex]1 = 2x + 2[/tex]
[tex]2x = - 1[/tex]
[tex]x = - \frac{1}{2} [/tex]
