Answer:
-27
Explanation:
9(n + 3) = -216
(n + 3) = -216/9
n + 3 = -24
n = -24 -3
n = -27
You can check your answer:
Nine times the sum of a number and three:
9 x (-27 + 3) = 9 x -24 = -216
It's correct.
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