solve the following system of equations algebraically

x-2y-z=2

2x+2y-z= -5

-x-y+2z=7

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- Dec 18th 2008, 11:27 AMwaterboymatrix problem
solve the following system of equations algebraically

x-2y-z=2

2x+2y-z= -5

-x-y+2z=7 - Dec 18th 2008, 11:46 AMrunning-gag