Answer:
15/3
Step-by-step explanation:
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Step-by-step explanation:
x = number
3x - 15 = (x - 12)×-4 or (12-x)×-4
3x - 15 = -4x + 48 or -48 + 4x
7x = 63, x = 9 or
33 = x

d - distance
v - speed
t - time
Car A:

Car B:
15 mph faster than car A

Both cars traveled equal distances:

Car B traveled at the speed of 60 mph.
Answer:
put one point b the negative -1 and another point by the 2 going long ways ------
Step-by-step explanation: