SOLUTION: How do you solve this three-variable system?
{x+2y+z=4
{2x-y+4z=-8
{-3x+y-2z=-1
Algebra.Com
Question 363584: How do you solve this three-variable system?
{x+2y+z=4
{2x-y+4z=-8
{-3x+y-2z=-1
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
there's more than one way to do it.
I made an Excel sheet that does them using determinants.
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You can check you answers:
x = 3
y = 2
z = -3
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