Respuesta :

Answer:

- 55

Step-by-step explanation:

Use PEMDAS (BOMDAS)

[tex]6 + 1- 22 +23- 21 * 3\\\\6 + 1- 22 +23- 63\\\\7-22+23-63\\\\-15+23-63\\\\8-63\\\\\boxed{-55}[/tex]

Hope this helps.

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