7+(x+5) would be the answer because sum means addition and it says x and 5. then it says 7 plus that so you put 7. In reality you wouldn't need parenthesis, but if you want it to match the phrase, you can put it in parenthesis.
Answer
top point: (0,-3),,, right point (2, -4),,, bottom left point (-1, -8)
Step-by-step explanation:
subtract all the x values by 6 (since left= subtraction)
and subtract all the y values by 2 (since down= subtraction
Mixed fraction:
3 2/5 = 17/5
4 4/5 = 24/5
Miles she ran:
17/5 + 24/5
= 41/5 miles or 8.2 miles