Question

Solve for x: logbase4((x/2) + 4) = 3
Can someone explain this to me?

Answer 1

\[ \large \log_4(x/2+4)=3 \]

Answer 2

right

Answer 3

use this
\[ \large \log_ab=y\Leftrightarrow a^y=x \]

Answer 4

4^3 = (x/2 + 4)?

Answer 5

yes

Answer 6

yes

Answer 7

why do you do that?

Answer 8

now add -4 to both sides

Answer 9

do what?

Answer 10

what is "log", I can't remember

Answer 11

log = logarithm

Answer 12

x = 120

Answer 13

what is a logarithm

Answer 14

yes. x=120

Answer 15

http://www.wolframalpha.com/input/?i=logarithm&a=*C.logarithm-_*MathWorld-

Answer 16

I remember what a logarithm is now. It's weird, I've forgotten a lot of stuff since last year. That inverse question you answered for me a minute ago would've been a breeze before. I don't know why I forget

Answer 17

when u don't practice, u forget.
the same happens to me with several var. calc.