Log Properties
Expand the Log Expression
Condense the Log Expression
Solve for x.
100

log(10^5)

5

100

log(3x)

log3+logx

100

logx-logy

log(x/y)

100

e^x=e^5

x=5

200

10 ln(e)

10

200

log((3z)/y)

log(3)+log(x)-log(y)

200

1/3logy-5logz

log(root(3)(y)/(z^5))

200

log(2x+1)=log(5)

x=2

300

log(100)-log(10)

1

300

log(sqrt(x)/y^2)

1/2log(x)-2logy

300

1/2logx+5logy-logz

log((5sqrt(x))/z)

300

log(4x)=2

x=25

400

log(10)-ln(e)

0

400

log(root(3)(x/y))

1/3logx-1/3logy

OR

1/3(logx-logy)

400

1/5logy+2logx-5logz

log((x^2root(5)(y))/z^5)

400

ln(5x-2)=15

(e^15+2)/5

500

6 log(100)-4ln(e)

8

500

log((sqrt(xy))/(5z^2))

1/2logx+1/2logy-log5-2logz

OR

1/2(logx+logy)-log5-2logz

500

5logx+2logy-1/4(log2-4logz)

log((x^5y^2)/root(4)(2z^4))

500

10^(2x+2)=1000

x=1/2