Hola!
Respuesta:
[tex] - 6[/tex]
Explicación paso a paso:
[tex]9 - ( - 8 + 6) \times ( - 4) - ( - 5 + 12)[/tex]
[tex]9 - ( - 2) \times ( - 4) - 7[/tex]
[tex]9 + 2 \times ( - 4) - 7[/tex]
[tex]9 - 8 - 7[/tex]
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Hola!
Respuesta:
[tex] - 6[/tex]
Explicación paso a paso:
[tex]9 - ( - 8 + 6) \times ( - 4) - ( - 5 + 12)[/tex]
[tex]9 - ( - 2) \times ( - 4) - 7[/tex]
[tex]9 + 2 \times ( - 4) - 7[/tex]
[tex]9 - 8 - 7[/tex]
[tex] - 6[/tex]