What value of x makes the equation true?

1.4x + 2.6x = -16

a. x = -4
b. x = -13
c. x = -48
d. x = -19

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Ineed to know the answer to this algebra question.

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?