Question

joe sold half of her comic books, then she bought 18 more. She now has 36. With how many did she bigin?

Answer 1

36

x/2+18=36
-18. -18
(2)*(1/2x)=(18)*(2)
x=36

Answer 2

Answer: Joe began with 36 books.

Explanation:

x/2+18=36. 36+18=x. x/2-18=36.