Asked by xXxAngelNekoxXx

Solve the system of equations by finding the reduced row-echelon form of the augmented matrix for the system of equations.
x + y - z = -2
2x - y + 3z = 9
x - 4y - 2z = 1
Answered by oobleck
There is a handy calculator here, to check your work:

www.math.odu.edu/~bogacki/cgi-bin/lat.cgi?c=rref
Answered by Anonymous
3,4,6
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