Group like terms (g's with g's and constants with constants)
5g-2g+g+5h+5
add like terms
4g+5h+5
Recall your d = rt, distance = rate * time
if say train B has a speed of "r", then A has a speed of "r-14".
now, they each travelled those miles in the same time, say "t" hours.

how fast is Train A? well, r - 14.
Answer:
-4
Step-by-step explanation:
Answer:
x = y
Step-by-step explanation:
7x = 5y + 2x
Subtract 2x from both sides
5x = 5y
x = y
Number 8 is $1.29 number 6 is $47.31