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OpenStudy (anonymous):
x+3y=9 and -x-3y=9 whats the solution?!?!
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OpenStudy (anonymous):
No solution.
OpenStudy (anonymous):
Multiplying the second equation by -1, you get two equations: x + 3y = 9 x + 3y = -9 Impossible to have a solution.
OpenStudy (anonymous):
thanks!
OpenStudy (anonymous):
You can also give a medal. :)
OpenStudy (anonymous):
sorry my bad :-(
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