Answer:
Explanation:
-3 + 4d - 2f + 3d + 6f - 4 - 8
= −3 + 4d + −2f + 3d + 6f + −4 + −8
(4d + 3d) + (−2f + 6f) + (−3 + −4 + −8)
7d + 4f + −15
= 7d + 4f - 15