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Systems Of Equations Word Problems
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themadhatter1
#
3
Jul5-10, 06:38 PM
P: 140
1. Haha. Don't know how that slipped me.
2.
Ok, I think I understand this but, for the upper left one wouldn't it be 600=x
_{1}
+x
_{3}
because the 2 outputs of the upper left junction are x
_{1}
and x
_{3}
?