SOLUTION: The following matrix is is row-echelon form and represent a linear system. Solve the system using backward substitution. Write the solution as an ordered triple. 1 1 -1 5

Algebra ->  Matrices-and-determiminant -> SOLUTION: The following matrix is is row-echelon form and represent a linear system. Solve the system using backward substitution. Write the solution as an ordered triple. 1 1 -1 5       Log On


   

Question 770775: The following matrix is is row-echelon form and represent a linear system. Solve the system using backward substitution. Write the solution as an ordered triple.
1 1 -1 5
0 1 -1 2
0 0 1 1
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
z=1
y-z=2
y-1=2
y=3
x+y-z=5
x+3-1=5
x=3
:)