Question 1013392
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S=smallest integer; M=middle integer=S+2; L=largest integer=S+4
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S+M+L=-345
S+(S+2)+(S+4)=-345
3S+6=-345
3S=-351
S=-117
M=S+2=-117+2=-115
L=S+4=-117+4=-113
ANSWER: The three numbers are -117, -115, and -113.
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CHECK:
S+M+L=-345
(-117)+(-115)+(-113)=-345
-345=-345