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Drag a reason to each box to complete this proof.

If 12=1/3x+5 , then x = 21.

Statement            Reason

  12=13x+5           Given

   7=13x                 --------- answer 

   21 = x                 ---------- answer

   x = 21                ------------ answer

 

ANSWER CHOICES: Multiplication Property of Equality, Distributive Property, Substitution Property of Equality, Subtraction Property of Equality, Symmetric Property of Equality.

 Dec 26, 2017
 #1
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Statement

 

 

Reason
12 _=_ 1/3x + 5                Given
7 = 1/3x   Subtraction Property of Equality
21 = x   Multiplication Property of Equality
x = 21   Symmetric Property of Equality
 Dec 26, 2017

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