Question

-12-x = -15 (Ecuaciones de numeros enteros resolver) pls

Answer 1

$- 12 - x = - 15 \\ - x - 12 = - 15 \\ - x - 12 + 12 = - 15 + 12 \\ - x = 3 \\ x = 3$

fecha : 12/08/2021