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Will the solution  of an equation such as x - 3 = 9 be a variable or a number?  Explain.

 

I need help with this problem!!! Please help!!!!!

 Sep 21, 2015
 #1
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+5

x - 3 = 9     add 9 to both sides

 

x = 12     definitely, a number  !!!!

 

 

 

cool cool cool

 Sep 21, 2015
 #2
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A slight typing error....he really meant add 3 to both sides

 Sep 21, 2015

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