Chapter 2 - Solving Equations - 2-5 Literal Equations and Formulas - Practice and Problem-Solving Exercises - Page 112: 15

$y=-5/4x+1$

We first isolate y by subtracting by 4 on both sides to get that $-4y=5x-4$. We now divide by -4 on both sides to isolate y and get that: $y=-5/4x+1$. We then plug in the different values of x: $-5/4(1)+1=-1/4 \\\\ -5/4(2)+1=-6/4 \\\\ -5/4(3)+1=-11/4$