A store used a new video games. New video games cost more than used video games. Omar spent a total of $84 on 4 used video games and 2 new video games. Sally spent a total of $78 on 6 used games and 1 new video game. What is the cost of each used game?

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

What is the value of x in the following equation? -3x-2=2x+8

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125