meagomez02
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The expression 35 + 45x represents a train's distance, in miles, from a terminal after x hours of travel.

How far was the train from the terminal at the beginning of its journey?

Respuesta :

35 miles.

Because it was at beginning of journey, it must be x = 0. Now that we have a value for x now we can solve the equation.

35 + 45(0) = 35 + 0 = 35

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