X/5 + 7 = 14
Subtract 7 from each side:
X/5 = 7
Multiply both sides by 5:
x = 7 * 5
X = 35
Answer:
during the first 3mins the bus was accelerating from 0km to 25 kilometers
during the next 90 mins btwn 30mins to 120 mins it was moving at a constant distance n speed
lastly for the last 60 mins from 120 mins to 180 mins it started decelerating from a distance of 25km to 0 km