Answer:
-13
Step-by-step explanation:
-5 (the distance of means subtraction) 8 = -13
-13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8
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-13 <--------------------------------------subtraction---------------------------8
