How do you solve #log _ 2 (4x-8)=1#?
1 Answer
Jan 31, 2016
# x = 5/2 #
Explanation:
using :
# log_b a = n hArr a = b^n # then
# log_2 (4x - 8 ) = 1 → 4x - 8 = 2^1 = 2 # so 4x - 8 = 2
# → 4x = 10 → x = 10/4 = 5/2 #