If $-3\le x+5 \le 8$ and $x$ is an integer, what is the sum of all the possible solutions?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If $-3\le x+5 \le 8$ and $x$ is an integer, what is the sum of all the possible solutions?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
-30
If $-3\le x+5 \le 8$ and $x$ is an integer, what is the sum of all the possible solutions?
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