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Mathematics 15 Online
OpenStudy (anonymous):

* Find all solutions (if possible). 5x + 5y +5z = 15 7x -14y + 7z= -21 9x + 9z =15

OpenStudy (anonymous):

I am working on it now...

OpenStudy (anonymous):

No solution is possible

OpenStudy (anonymous):

I agree with MathMind.

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