Which method is best for solving the system of equations below, where you can eliminate one variable term by adding the equations?

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

What term makes it inconsistent y=2x - 4