SOLUTION: solve a system of three linear equations with three variables 5x =5 2x+y =4 3x+y-4z=-15

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Question 1001050: solve a system of three linear equations with three variables
5x =5
2x+y =4
3x+y-4z=-15


Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
solve a system of three linear equations with three variables
5x =5 --> x = 1
2x+y =4
2*1 + y = 4 --> y = 2
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3x+y-4z=-15
Sub for x & y to find z.