Question

Respondan porfaaa
La 6

Answer 1

9^(x-1)=5^(2(x-1))=(5^2)^(x-1)=25^(x-1)
9^(x-1)=25^(x-1)
[ 9^(x-1) ] ÷ [25^(x-1) = 1
(9÷25)^(X-1)=1
cualquier valir elevado a la 0 nos da 1
entonces x-1=0
x=1