SOLUTION: solve system of equation by three variables x - y - z = 1 2x + y + 2z = 4 x + y + 3z = 5

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Question 1069420: solve system of equation by three variables
x - y - z = 1
2x + y + 2z = 4
x + y + 3z = 5
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
z=2 and y=-2

x=1