SOLUTION: Solve the system of equations using matrices. 3a- b - 4c= 7 2a- b + 3c= -2 a+ 2b + 4c=4 The solution set is {_,_,_}

Algebra ->  Matrices-and-determiminant -> SOLUTION: Solve the system of equations using matrices. 3a- b - 4c= 7 2a- b + 3c= -2 a+ 2b + 4c=4 The solution set is {_,_,_}      Log On


   

Question 306382: Solve the system of equations using matrices.
3a- b - 4c= 7
2a- b + 3c= -2
a+ 2b + 4c=4
The solution set is {_,_,_}
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The solution set is {2,3,-1}