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Solve the simultaneous linear equations by elimination method.
   a     +    5a        =9    
   a     +    3b        =1    
   
Step 1: Fill in the blanks below by eliminating one of the known.
   a     +    5a        =9------I    
   -a     +    3b        =1-----II    
______ ______ ______
           
2b    =    8       
b    =    4
Step 2: Using the value of b find the value of a.
a=