Holly collects video games. She starts with 3x3 games, for some number x, and then buys another 7x4. She then gives away x2, then sells 5x, and finally donates another 9 games.
Write an expression for the number of games Holly now has in standard form.
O 724 + 3.03 – x2 – 5.2 - 9
O 323
52 + 724 - 9 - 22
0-9 - 5.0 - 2.2 + 3.23 + 734
-9 + 704
5.3 + 323
22