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Verified answer
Kelas 8 MatematikaBab Barisan dan Deret Bilangan
b = (U18 - U6)/(18 - 6)
b = (-38 - 10)/12
b = -48/12
b = -4
U12 = U6 + 6b
U12 = 10 + 6 . (-4)
U12 = 10 - 24
U12 = -14