Vianne R.

asked • 05/24/15

Write an augmented matrix for the system. Use row operations to put it in row ecjelon form. Find y then back substitute to find x.

x+3y=-18
3x-y=16
I have the matrix but i'm lost on the rest of it. Please show work.
 
1  3  -18
3 -1   16

1 Expert Answer

By:

Will N. answered • 05/24/15

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