Respuesta :

2x + 5 = x - 1 2x + 5 = x - 1

2x + 5 - 5 = x - 1 - 5

2x - x = -5 - 1 2x = x - 6

x = -6 2x - x = x - 6 - x

x = -6

2(-6) + 5 = -6 - 1

-12 + 5 = -6 - 1

-7 = -7 The answer is correct