Make y the subject of the relation: p = 2x +
(
V
S
Given that m= 3, n=-2 and x = -1, evaluate
2mn-x
3m-n​

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?