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For any number $x$, we are told that $x\&=7-x$ and $\&x = x -7$. What is the value of $\&(12\&)$?

 

Pls include steps not just answer

Thanks!

 Apr 13, 2023
 #1
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The & functions cancel, and you are left with 0.

 Apr 13, 2023
 #2
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We have &(12&)=&(7-12)=&(-5)= (-5-7)=-12

 Apr 16, 2023

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