Explain why the additive method and subtractive method are both important to know how to perform instead of just being good at one of them.

What is 1/2 x (6 x 4)+3 + 2 show your work

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Find the solution of each of the following.