3 Maria is a comic book collector. She was cleaning out her comic books that weren't worth much to make room for more valuable books. She sold half of her comic books, and then bought fourteen more. She now has 31. With how many comic books did she begin? Let crepresent the number of comic books she
(a) had in the beginning.
Part A
Create an equation following our guidelines of coefficient and variable first constant next, equal sign, etc.
Part B