Question

In the library, there are 12x English books, 5x Chinese books and 4x Malay

books. If there are 15 fewer Indian books than Malay books, find the to
number of books in the library in terms of x.

Answer 1

25x - 15

Explanation:

Indian books = malay books - 15

=4x -15

Total books =

English books + chinese books + malay + indian

= 12x + 5x + 4x + 4x -15

= 25x - 15

Answer 2

Explanation:

Indian books = 4x - 15

Total books = 12x + 5x + 4x + 4x - 15 {add like terms}

= 25x - 15