If cd = 4, ca = 10, ce = x + 2, and eb = 4x-7, what is the length of ce

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Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers