+0  
 
0
60
2
avatar+45 

[2x]=[y]

[2x+3y]=12

gadzooks1753  Oct 28, 2017
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2+0 Answers

 #1
avatar+90968 
0

Huh?

Melody  Oct 28, 2017
 #2
avatar+26322 
+1

This might mean solve using a matrix approach:

 

.

.

Alan  Oct 28, 2017

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