Answer:
x=4
Step-by-step explanation:
Multiply 9 to x and -2
You get 9x-18=18
add 18 to both sides
you get
9x=36
divide 9 from both sides
x=4
Answer:
This seems really hard so i am going to need the points sorry.
Step-by-step explanation:
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In one hour, the trains will be 95 miles apart.
504 / 95 = 5.31 hours.
It will take 5.31 hours for the two trains to be 504 miles apart.