SOLUTION: Solve the system of linear equations algebraically and check any solution. x+y+z=6 2x-y+z=3 3x -z=0

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Question 636798: Solve the system of linear equations algebraically and check any solution.
x+y+z=6
2x-y+z=3
3x -z=0
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

 

Hi,

 x+ y+ z=6              y+=+-x+-z+%2B+6

2x-y+z=3

 3x + 2z = 9    | 3x-z = 0   0r  z = 3x

 3x + 6x = 9

      x = 1  and z = 3  and y = 2