Asked by Isabella
                Peter solved this equation
6 x y = 490 - 4
6 x y = 486
y = 492
Explain his mistake.
            
        6 x y = 490 - 4
6 x y = 486
y = 492
Explain his mistake.
Answers
                    Answered by
            Ken
            
    He removed the 6 from the 6 times y side and added 6 to the 486 on the other side. He should have divided both sides by 6.
    
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