Gia got some books from library yesterday she got five books today gia returned three books gia has six books how many books did gia have to begin

4

Explanation:

You can write an algebraic expression to represent the sequence with the books in this way:

       n + 5 - 3 = 6

Now you follow these steps to clear the unknown:

And that is the number of books whith which Gina started: 4

3/6   and 9/18

step-by-step explanation:

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.