Respuesta :

Answer:

true

Step-by-step explanation:

Answer:

True

Step-by-step explanation:

[tex](16 - 7) \cdot 3 + 4 = 9 \cdot 3 + 4 = 27 + 4 = 31 \ne -1 = 16 - 21 + 4 = 16 - 7 \cdot 3 + 4[/tex]. So removing the paranthesis will change the result.