Respuesta :

[tex]9y+\frac{1}{4}+6z+\frac{1}{4}+8y-4z[/tex]

Combining similar terms:

[tex]\begin{gathered} =(9y+8y)+(\frac{1}{4}+\frac{1}{4})+(6z-4z)= \\ =17y+\frac{1}{2}+2z \end{gathered}[/tex]

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