SOLUTION: solve the system: {x+5y-z=4 {3x+4y+z=4 {x-y+z=0. thanks for the help.

Algebra ->  Algebra  -> Systems-of-equations -> SOLUTION: solve the system: {x+5y-z=4 {3x+4y+z=4 {x-y+z=0. thanks for the help.      Log On

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Question 113577: solve the system:
{x+5y-z=4
{3x+4y+z=4
{x-y+z=0.
thanks for the help.
Answer by stanbon(48568) About Me  (Show Source):
You can put this solution on YOUR website!
{x+5y-z=4
{3x+4y+z=4
{x-y+z=0.
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Using a TI-83 Matrix function:
x = 2
y = 0
z = -2
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Cheers,
Stan H.