Answer:
![f=-8](https://img.qammunity.org/2022/formulas/mathematics/high-school/n2v28qxkhft0g9j1pbcwic1ny7ip0bhj6f.png)
Explanation:
![8+4f=3f](https://img.qammunity.org/2022/formulas/mathematics/high-school/4ap2qbf52h3alltedqri4fbv1wsl3grfsa.png)
(Subtract
from both sides of the equation to isolate
)
(Simplify)
(Symmetric Property of Equality)
(Divide both sides of the equation by
to get rid of
's coefficient; remember that
, so
has a coefficient of
)
(Simplify)
Hope this helps!