Problem:	To solve this problem...
Chang has 43 comic books left in his collection. Last week he gave 10 of them to Anne and 5 to Matt. How many comic books did he start with. Let x be the number he started with. Write the algebraic equation and solve for x.	Let x = the amount Chang started out with. Now, since he currently has 43, then the equation will end with " = 43".

Enter your answer:
Your answer may be in any of the following forms:

• Integer (positive,negative,zero)
• Decimal (must be accurate to 4 places)
• Fraction (e.g., '3/4')
• Mixed number (e.g., '4 3/4')
• Scientific notation (e.g., '1.2e-02')
• Single words, correctly spelled (e.g.,'isosceles')