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

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) (Show Source): You can put this solution on YOUR website!
Substitute , , into each equation and verify that it solves the equation.
It's pretty straightforward.

There's the first one, complete the left hand side and see if it equals the right hand side.
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