Answer:
f = - 3
Step-by-step explanation:
Given
- 9(- 2f - 8) = - 6f ← distribute left side
18f + 72 = - 6f ( add 6f to both sides )
24f + 72 = 0 ( subtract 72 from both sides )
24f = - 72 ( divide both sides by 24 )
