Jessica sold half of her comic books and then bought 9 more. She now has 13. How many did she begin with? Step 1: Define your variable(s)
Step 2: Write an equation.
Step 3: Solve your equation. Step 5: Write a summary statement explaining your solution in the context of the problem..
Step 4: Check your solution.
Step 5: Write a summary statement explaining your solution in the context of the problem..
please helpp me .