SOLUTION: Solve: 3x + 2y = 18 2x - z = 4 y + 2z = 21

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Question 334096: Solve: 3x + 2y = 18
2x - z = 4
y + 2z = 21
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
Using the substitution method, I got x = 8 y = -3 and z = 12.