gracelvjc
gracelvjc gracelvjc
  • 23-02-2016
  • Mathematics
contestada

Expand the expression and combine like terms:
1/7 - 3 (3/7n - 2/7)

Respuesta :

Exvited
Exvited Exvited
  • 23-02-2016
[tex] \frac{1}{7} - 3( \frac{3}{7} n - \frac{2}{7}) \\ \\ \frac{1}{7} - 3( \frac{3n}{7} - \frac{2}{7} ) \\ \\ \frac{1}{7} - 3 \times \frac{3n - 2}{7} \\ \\ \frac{1}{7} - \frac{3(3n - 2)}{7} \\ \\ \frac{1-3(3n - 2)}{7} \\ \\ \frac{1-9n+6}{7} \\ \\ \frac{-9n + 7}{7} \\ \\ 1 - \frac{9n}{7} \\ \\ [/tex]

The final result is: 1 - 9n/7.
Answer Link
s157778
s157778 s157778
  • 05-08-2022

Answer:

- 9/7n+1

Step-by-step explanation:

1/7 - 9/7n + 6/7 =

= 1/7 + 6/7 = 7/7 = 1

-9/7n+1

Answer Link

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