2 Answered Questions for the topic Row Echelon Form

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.
2x+10y=-12 -3x+y=34I have the matrix and what to multiply it by except the last one. I'm really lost. Please help and show work.  2   10     -12     *1/2-3   1      34   1    5     -6    *3 -3... more
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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
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