SOLUTION: x-z-7
3x-y=1
x+y+z =18
Algebra.Com
Question 979926: x-z-7
3x-y=1
x+y+z =18
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Only 2 equations.
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Plus, you didn't say what you want to do.
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