Chapter 2 - Solving Equations - 2-1 Solving One-Step Equations - Practice and Problem-Solving Exercises - Page 85: 27

$y = -4$

$-7y = 28$ We need to isolate the variable $y$ by dividing through by $-7$ as shown below: $\frac{-7n}{-7} = \frac{28}{-7}$ Simplify to get: $y = -4$ Therefore, the equation has a possible solution at $y = -4$