WILL MARK BRAINIEST AND GIVE POINTS PLS SOLVE THESE THREE PROBLEMS
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Answer: 1. -4<n<4
2. n<-3 or n>19
3. n<=-36 or n>=44
Step-by-step explanation:
n=number
units from a number is measured using absolute value sign
1. 4 units from 0: |n-0|<4 ==> |n|<4
n<4, n>-4 ==> -4<n<4
2. 11 units from 8: |n-8|>11
n-8>11
n-8+8>11+8
n>19
n-8<-11
n-8+8<-11+8
n<-3
n<-3 or n>19
3. half a number is at 2 units from 20: |n/2-2|>=20
n/2-2>=20
n/2>=22
n>=44
n/2-2<=-20
n/2<=-18
n<=-36
n<=-36 or n>=44