Respuesta :

cookiedino

Step-by-step 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 ! :)