How do you solve 66 + 8 log x = 50?

1 Answer
Dec 19, 2015

x=1/100

Explanation:

Subtract 66 from both sides.

8logx=-16

Divide both sides by 8.

logx=-2

Recall that logx=log_10x.

log_10x=-2.

Exponentiate both sides to undo the logarithm.

10^(log_10x)=10^-2

x=10^-2

x=1/10^2=1/100