the product of 2 less than a number and 7 is 13 Take this algebraic expression in 4 parts: Part 1 - The phrase a number means an arbitrary variable, let's call it x. x Part 2 - 2 less than a number means we subtract 2 from x x - 2 Part 3 - The phrase product means we multiply x - 2 by 7 7(x - 2) Part 4 - The phrase is means an equation, so we set 7(x - 2) equal to 13 7(x - 2) = 13