Asked by Anonymous
                Solve the equation for A.
12AB + 7B = 5A
Please help, I am completely stuck.
            
        12AB + 7B = 5A
Please help, I am completely stuck.
Answers
                    Answered by
            Henry
            
    12AB + 7B = 5A.
12AB - 5A = -7B.
A(12B - 5) = -7B.
Divide by (12B-5):
A = -(7B/(12B-5)).
 
    
12AB - 5A = -7B.
A(12B - 5) = -7B.
Divide by (12B-5):
A = -(7B/(12B-5)).
                    Answered by
            Anonymous
            
    I thought you couldn't just switch 5A and 7B like that?
    
                    Answered by
            Vin Mwale
            
    12AB + 7B = 5A.                                 7B = 5A - 12AB,      7B =A(5 - 12B).  Divide both sides by (5 - 12B)           7B/(5 - 12B) = A
    
                    Answered by
            Anonymous
            
    Can you cancel out the B in your final answer?
    
                    Answered by
            Anonymous
            
    Like make your final answer 7/5-12? which would equal to -1?
    
                    Answered by
            Henry
            
    Since there are 2 variables and only 1 Eq, I have to solve for 1 variable in terms of the other.
  
    
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