Use substitution to solve the linear system of equations.

y = 4x
3x + 5y = -46

(-8, -2)
(8, -2)
(-2, 8)
(-2, -8)

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?

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?