SOLUTION: Hi, could you please help me with this problem. Solve: 2x+3y-z=5 2x+2y=7 8x-2y+3z=15 The answers are supposed to be: x = 0.786; y = 2.714 and z = 4.714. i have gott

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Hi, could you please help me with this problem. Solve: 2x+3y-z=5 2x+2y=7 8x-2y+3z=15 The answers are supposed to be: x = 0.786; y = 2.714 and z = 4.714. i have gott      Log On


   

Question 974093: Hi, could you please help me with this problem.
Solve:
2x+3y-z=5
2x+2y=7
8x-2y+3z=15
The answers are supposed to be: x = 0.786; y = 2.714 and z = 4.714.
i have gotten to every known number in the universe using all of my limited math skills, but not those three.
Please help.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Solve:
2x+3y-z=5
2x+2y=7
8x-2y+3z=15
The answers are supposed to be: x = 0.786; y = 2.714 and z = 4.714.
i have gotten to every known number in the universe using all of my limited math skills, but not those three.
Please help.
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Think about this:
1/7 = 0.142857142857...