Wednesday
September 2, 2015

Homework Help: Alg 2

Posted by john on Friday, October 5, 2012 at 9:29pm.

Today we learned how to solve systems of equations with 3 variables, however my teacher didn't go over how to do a problem where not every single equation in the system has the 3 variables. Can someone point me to a place that explains this?
the kind of problem im talking about is like this
solve the system of equations:
6a-2b=18
3b+5c=-34
a+6c=-28

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