Respuesta :

Answer:

f = 4

Step-by-step explanation:

Given

- 11f = 7(1 - 2f) + 5 ← distribute and simplify right side

- 11f = 7 - 14f + 5

- 11f = 12 - 14f ( add 14f to both sides )

3f = 12 ( divide both sides by 3 )

f = 4