Question

solve 2^(3x-4) = 5
x=____?

Answer 1

use LOG .

Answer 2

how would i set it up?

Answer 3

yes, apply log and then you can kick that exponent to the front of the log

Answer 4

write log in front of both terms

have you used logarithms before?

Answer 5

yes

Answer 6

log 2^(3x-4) = log 5

Answer 7

yes, and now we can move the exponent to the front of the log

Answer 8

3x-4 log 2 = log 5

Answer 9

remember your brackets though

Answer 10

yes, andrew, good so far.

Answer 11

and now it shouldn't be so confusing... you just need to do some algebra and solve for x

Answer 12

(3x-4) log(2) = log(5)?

Answer 13

great

Answer 14

yes, it is good....

Answer 15

1) divide both sides by log(2)

Answer 16

would the equation be ...