Respuesta :

RahmaAbdullatif

Answer:

-9

Step-by-step explanation:

Substitute 3 for z and 9 for w in the equation.

[tex] - 2z - 3w + 7 + 8[/tex]

[tex] - 2(3) - 3(9) + 15[/tex]

[tex] - 6 - 18 + 15[/tex]

[tex] - 24 + 15[/tex]

[tex] - 9[/tex]

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