Solving Logarithmic Equations

Solve. Be sure to check for extraneous solutions. $\log x+\log\left(x+9\right)=1$  

Solve. Be sure to check for extraneous solutions. $\log_4\left(2x+12\right)+5=8$  

Solve.  Be sure to check for extraneous solutions. $\log_6\left(x-5\right)=2-\log_6x$  

Solve.  Be sure to check for extraneous solutions. $\log_9\left(4x+5\right)=2$  

Solve.  Be sure to check for extraneous solutions. $\ln8x=\ln2+5$  
State your answer to the nearest thousandth.

Solve.  Be sure to check for extraneous solutions. $\log_2x+\log_2\left(x-4\right)=5$  

Solve.  Be sure to check for extraneous solutions. $\log2x+\log\left(x-5\right)=2$  

Solve.  Be sure to check for extraneous solutions. $2\ln x-0.4=2.5-5\ln x$  
Round your answer to the nearest hundredth.

Solve.  Check for extraneous solutions. $\log_4x+\log_4\left(x+6\right)=2$  

Solve.  Be sure to check for extraneous solutions. $3\log\left(x-4\right)=6$