Respuesta :

thodogantu

[tex] - 4(2z + 6) - 12 = 4 \\ - 4(2z + 6) - 12 + 12 = 4 + 12 \\ - 4(2z + 6) = 16 \\ \frac{- 4(2z + 6)}{ - 4} = \frac{16}{ - 4} \\ 2z + 6 = - 4 \\ 2z + 6 - 6 = - 4 - 6 \\ 2z = - 10 \\ \frac{2z}{2} = \frac{ - 10}{2} \\ z = - 5[/tex]

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