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0
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x + 2y+3z = -2

x +  y + z = -7

-x + y =2z = -10

 Oct 22, 2015

Best Answer 

 #1
avatar+33666 
+10

Like so:

matrix eqn

.

 Oct 22, 2015
 #1
avatar+33666 
+10
Best Answer

Like so:

matrix eqn

.

Alan Oct 22, 2015

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