SOLUTION: I need help : 3 over 4 = a+5 over 21

SOLUTION: I need help : 3 over 4 = a+5 over 21

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Question 802113: I need help : 3 over 4 = a+5 over 21
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
3/4=a+5/21
3/4-5/21=a
a=63/84-20/84
a=43/84
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