Solve
for the Unknown


Lesson 1  
Problem: Solve For the Unknown log_{7} 343 = x  
Step 1: Exponential form of given logarithmic form: 7^{x}^{ }= 343  
Step 2: Value of x is equal to 3 because (7)^{3 }= 343  
Step 3: So log_{7} 343 = x  
Step
4:
Answer is: 3 

Try two practice problems: Solve for the unknown.  
A. Log_{3} f = 3  B. Log_{15} 225 = a 