Respuesta :

Answer:    3x + 3z - 1

Step-by-step explanation:

Answer:

3x + 3z - 1

Step-by-step explanation:

Group like terms: 2x + x + 3z + 5 - 6

Subtract the numbers:
5 - 6 = -1
=2x + x + 3z - 1

Add similar elements: 2x + x = 3x
=3x + 3z - 1