Question

exponencial

(81)-³x+¹ = 27

Answer 1

Espero te ajudado!!!

Answer 2

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$(81)^{-3x+1}=27 \\ (3^4)^{-3x+1}=3^3 \\ 4(-3x+1)=3 \\ -12x+4=3 \\ -12x=3-4 \\ -12x=-1 \\ 12x=1$

$x= \frac{1}{2}$

S={1/2}