How do you solve log_2(24) - log_2 3 = log_5(x)log2(24)log23=log5(x)?

1 Answer
Dec 21, 2015

x=125x=125

Explanation:

log_2(24)-log_2(3)= log_2(24/3) = log_2(8) = 3log2(24)log2(3)=log2(243)=log2(8)=3
color(white)("XXXXXXXXXXXXXXXXXXXXXXXX")XXXXXXXXXXXXXXXXXXXXXXXXsince 2^3=8#

Therefore
color(white)("XXX")log_2(24)-log_2(3)=log_5(x)XXXlog2(24)log2(3)=log5(x)
rarr
color(white)("XXX")log_5(x) = 3XXXlog5(x)=3
rarr
color(white)("XXX")x = 5^3 =125XXXx=53=125