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z-5= ?

 Jan 4, 2019
 #1
avatar+109763 
0

z-5=z-5 

 Jan 4, 2019
 #2
avatar+24746 
0

What we have here is a failure to communicate!

z-5 = ?    is not a complete solveable mathematical equation......we need more information to find a distinct value for 'z'  or ' ? '       Sorry   sad

 Jan 4, 2019
 #3
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0

z = ? + 5.

 Jan 4, 2019

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