B. Indonesia Sekolah Menengah Atas 7x−3(5x+2)−6(7+2x)=(−20x)−48​

murlmcdermottulv – March 08, 2023

7x−3(5x+2)−6(7+2x)=(−20x)−48​

Jawaban dan Penjelasan:

7x−3(5x+2)−6(7+2x)=(−20x)−48​

−8x−6−6(7+2x)=(−20x)−48

−8x−6−42−12x=(−20x)−48

−8x−48−12x=(−20x)−48

(−20x)−48=−20x−48

(−20x)−48+20x=−48

−48=−48

x∈R

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