Tentukan nilai x a.27^x-3 = (1/81)^2x+1
Matematika
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Tentukan nilai x
a.27^x-3 = (1/81)^2x+1
a.27^x-3 = (1/81)^2x+1
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1. Jawaban Anonyme
EksPonenSiaL
27^(x - 3) = (1/81)^(2x + 1)
3^3(x - 3) = 3^-4(2x + 1)
3(x - 3) = -4(2x + 1)
3x - 9 = -8x - 4
3x + 8x = 9 - 4
11x = 5
x = 5/11