- 
                  
maths
 - 
                  
Solving equation
 - 
                  
Age 14-15
 - 
                    
level: Grade 9
 - 
                  
English
 
Author's Instructions
Answer the question
- 
                  
maths
 - 
                  
Solving equation
 - 
                    
Age 14-15
 - 
                    
level: Grade 9
 - 
                  
English
 
Author's Instructions
Answer the question
