Chapter 2 - Solving Equations - 2-1 Solving One-Step Equations - Practice and Problem-Solving Exercises - Page 85: 40

$m = 65$

$-13 = \frac{m}{-5}$ We need to isolate the variable $m$ by multiplying through by $-5$ as shown below: $-13 \times - 5 = \frac{m}{-5} \times - 5$ Simplifying we have: $65 = m$ Rearranging we have: $m = 65$ This implies that the equation has a possible solution at $m = 65$