Dalia S.

asked • 09/18/14

Solve the system using a matrix 1

Solve the system
x1+x2-4x3=3
3x1+4x2+3x3=-8
 
x1=
x2=
x3=

1 Expert Answer

By:

Phillip R.

This is not correct. Two equations with three unknowns has an infinite number of solutions because you can pick one of the variables and assign any value to it.
 
x1 = 20, x2 = -17, and x3 = 0 is a solution.
 
Report

09/18/14

Dalia S.

how did you get those answers as a solution?
Report

09/21/14

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