7x + 3 + 1 + 10x = -30 pls answer

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?

92ft long and 48 wide resurface 2.75$

Find the value of x to the nearest tenth. a. 4.5 b. 5.4 c. 6.3 d. 7.2