Question

Equações exponencial

1) 10^5x-1=0,0001

2) 5^x-3=1/625

3) 2^2x-3=64

4) 6^3x-1=6

5) 13^x-4=1/169

Me ajudem

Answer 1

$10^{5x-1}$=$10^{-4}$

5x-1=-4
5x=-3
x=-3/5

b)
$5^{x-3}$=$5^{-4}$
x-3=-4
x=1

c)
$2^{2x-3}$=$2^{6}$
2x-3=6
2x=9
x=9/2

d)
$6^{3x-1}$=$6^{1}$

3x-1=1
3x=2
x=2/3

e)
$13^{x-4}$=$13^{-2}$
x-4=-2
x=2