SOLUTION: -2x + 3y - 4z - w = 1 x + 2y + 2z - w = -2 x - 5y + 2z = 1 how do I solve this equation?

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Question 598515: -2x + 3y - 4z - w = 1
x + 2y + 2z - w = -2
x - 5y + 2z = 1

how do I solve this equation?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
-2x + 3y - 4z - w = 1
x + 2y + 2z - w = -2
x - 5y + 2z = 1

how do I solve this equation?
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It's not an equation. It's a system of equations, since there's more than one.
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There are 4 variables, but only 3 equations.
--> no unique solution, an infinite # of solutions