Solving Exponential Equations by Making Logarithms

1.Change to a log.
2.Use Change of Base.
 $13^x=92$  

•  $4.8591$  

•  $4.5218$  

•  $1.7629$  

•  $1.9638$  

1. Get exponent by itself.
2.Write the log.
3.Use Change of Base.
 $-5\left(10\right)^x=-12$  

•  $0.3802$  

•  $0.9747$  

•  $0.8755$  

•  $1.031$  

1. Get exponent by itself.
2.Write the log.
3.Use Change of Base.

 $2\left(3\right)^x+7=55$  

•  $3.1781$  

•  $1.3802$  

•  $2.8928$  

• 2.5863

1. Logan!
2. Use Change of Base.

 $13^{\left(x-7\right)}=70$  

•  $8.6564$  

•  $11.2485$  

•  $9.6182$  

•  $8.8451$  

1. Isolate exponent
2. Logan
3.Use Change of Base
 $-4\left(2\right)^{\left(x+7\right)}-1=-39$  

•  $-4.7661$  

•  $-6.0223$  

•  $-4.7487$  

•  $-3.7521$