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nine more than half of a number is 21

 Sep 23, 2014

Best Answer 

 #1
avatar+33653 
+5

number/2 + 9 = 21

 

Subtract 9 from both sides

number/2 = 12

 

Multiply both sides by 2

number = 24

 Sep 24, 2014
 #1
avatar+33653 
+5
Best Answer

number/2 + 9 = 21

 

Subtract 9 from both sides

number/2 = 12

 

Multiply both sides by 2

number = 24

Alan Sep 24, 2014

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