Answer:
[tex]n = 0.7[/tex]
Explanation:
[tex] - (2n + 4) + 6 = - 9 + 4(2n + 1)[/tex]
[tex] - 2n - 4 + 6 = - 9 + 8n + 4[/tex]
[tex] - 2n + 2 = 8n - 5[/tex]
[tex]2 + 5 = 8n + 2n[/tex]
[tex]7 = 10n[/tex]
[tex] \frac{10n}{10} = \frac{7}{10} [/tex]
[tex]n = \frac{7}{10} [/tex]
[tex]n = 0.7[/tex]
