Company a has three times as many customers as company b while company c has 10customers more than company b. let x represent the number of customers held by companyb, what is the expression so that it represents the total number of customers held by all threecompanies? 3x + x + 10x = 14x3x + x + (x + 10) = 5x + 103x + 10 = 3x + 10(x + 3) + x + (x + 10) = 3x + 13