SOLUTION: The sum of double a number and 7 is halved to give -3. What is the number?

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Question 1090128: The sum of double a number and 7 is halved to give -3. What is the number?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%282N%2B7%29%2F2=-3
2N%2B7=-6
2N=-13
Solve for N.