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avatar+177 

Given: X over 6 + 2 = 15

Prove: X = 78        

X over 6 + 2 = 15          a. ______

X over 6 = 13                b. ______

X = 78                            c. ______

 Jan 17, 2018
 #1
avatar+102379 
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[ x / 6]  +  2  =  15          Given

 

[ x / 6 ]  + 2 - 2 =  15 - 2                 Subtraction Property of Equality

 

[x/ 6]  =  13

 

6 [ x/ 6]  =  6 * 13                        Multiplication Property of Equality

 

x  =  78

 

 

 

cool cool cool

 Jan 17, 2018

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