Answer:
Step-by-step explanation:
11, 12, 13
n, n + 1, n +2
The sum will add to 36
6, -4
abs(-1+x)=5
-1+x=5 and -1+x=-5
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-1+x=5
x=5-(-1)=5+1=6
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-1+x=-5
x=-5-(-1)=-5+1=-4
76 inches
20 + 18 = 38
38 x 2 = 76