Find the ordered triple (p,q,r) that satisfies the following system:
p - 2q = 3
q - 2r = -2 + q
p + r = 9 + p
from q – 2r = –2 + q we find that r = 1
from p + r = 9 + p we find that r = 9
Since r can't equal both 1 and 9
the system has no solution.
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+769 
