TechWiz Electronics makes a profit of $ 35 for each MP3 player sold and $ 18 for each DVD player sold. Last week, TechWiz sold a combined total of 127 MP3 and DVD players. Let x be the number of MP3 players TechWiz sold last week. Write an expression for the combined total profit (in dollars) TechWiz made from MP3 and DVD players last week.
