x=4 because if you add 7 to 10 you get -2x-3=-14x then you add -2x to -14x and you get -3=-12 then you divide by -3 and -12 to get 4
Average speed = total distance/ total time
210.6/1.3= 162
Answer:
Anything from 5.11 to 5.19 can be the missing values.
