Zgjidhja e ushtrimit 8

Zgjidhni ekuacionet duke ndjekurr shembullin.

Shembull:

$4^{x+2}=\frac{1}{16}$

$4^{x+2}=\frac{1}{4^2}$

$4^{x+2}=4^{-2}$

$x + 2 = -2$

$x = -4$

1. $2^x=4$
2. $3^x=1$
3. $3^{x+1}=9$
4. $2^3\times2^x=2^5$
5. $5^x=\frac{1}{25}$
6. $4^{2x-1}=\frac{1}{4}$