SOLUTION: determine whether -2, -2, -2 is a solution x-y+z=-2 x+5y-z=-10 x+y-3z=3

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Question 329154: determine whether -2, -2, -2 is a solution
x-y+z=-2
x+5y-z=-10
x+y-3z=3

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Substitute x=-2, y=-2, z=-2 into each equation and verify that it solves the equation.
It's pretty straightforward.
-2-%28-2%29-2=-2
There's the first one, complete the left hand side and see if it equals the right hand side.