The oppiste of -2 2/3 is 2 2/3
You will have to get the difference and get a common denominator but first combine the mixed number:

Then subtract the numbers

Angel took 5/12 hours longer than Chris
The anwser is D no solution
Answer:
1<x<6
Step-by-step explanation:
subtract 1 from every side: 2<2x<12
divide 2 every side: 1<x<6