The value of a share of stock decreases in value at a rate of $1.40 per hour diring the first 4.5 hours of trading. Enter and solve an equation to find the decrease in value of the shares of stock during that time. Let x represent the decrease in value of the shares of stock during 4.5 hours. The equation to find the decrease in the values of the share of stock is The decrease in value of the share of stock during 4.5 hours was $​