Respuesta :
Answer:
28 books
Step-by-step explanation:
Let x represent the number of books .William owned before anything happens
x/2 + 10 = 24
2(x/2 + 10) = 2(24)
x + 20 = 48
x = 48 - 20
x = 28
Answer:
28
Step-by-step explanation
subtract 10 by 24.multiply 14 by 2 and there's your answer hope this helps