Logarithmic to exponents
Exponents to Logarithmic
Same bases
100

logx=6

64=x

100

8b=14

b=1.75

100

log(8x+20)= log8 (x+1)

x= -2.7

200

log6 (4x-1)=2

x=9.25

200

14-x=28

x=-2

200

log18 (-4x+18)= log18 (x+18)

x=0

300

logx 81=2

x=9

300
10x=50

x=5

300

log10 (8x-14)= log10 (x+10)

x=3.4

400

log12 x=2

144=x

400

15x=30

x=2

400

log2 (3x-4)= log(x+9)

x=6.5

500

log2 (7x-2)=5

x=4.85

500

162=37

x=2.3

500

log4 (x-40)= log4 4

x=44