solve the following word problem. use x for the unknown value. the average cost of a car in 2013 is said to be 5 less than twice the cost of a car in 2009. if the average cost of a car in 2013 is $25,000. how much was the average cost of a car in 2009?
1 answer:
Let the average cost of car in 2009 be $x, then the average cost of a car in 2013 is 2x - 5
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