Explanation:
–2(8d + 10f) – 7f - 10(-7f + 7d)
first parentheses (PEMDAS)
-2×8d=-16d
-2×10f=-20f
-10×-7f=70f
remember negative × negative = positive
-10 × 7d = -70d
-16d+(-20f)+(-7f)+70f+(-70d) =
-86d+43f
I hope I helped ! :)
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