3^{x}+\frac{31.5}{3^{x}}=12.5

3^{2x}-13\cdot3^{x}+36=0

0.5^{x}+\frac{0.625}{0.5^{x}}=2.75

25^{x}-5^{x+1}+5^{x}-20=0

3^{2x}-10.5\cdot3^{x}+13.5=0

0.25^{x}-0.5^{x+1}+0.5^{x}-1.5=0

3^{2x}-31\cdot3^{x}+108=0

2^{x}+\frac{24}{2^{x}}=17.5

9^{x}-3^{x+2}+3^{x}-9=0

0.04^{x}-0.2^{x+4}+0.2^{x}-0.0064=0

0.25^{x}-0.5^{x+1}+0.5^{x}+1.5=0

100^{x}-10^{x+2}+10^{x}-400=0

10^{x}+\frac{20}{10^{x}}=12

10^{2x-1}-11\cdot10^{x}+100=0

5^{x}+\frac{500}{5^{x}}=129

100^{x}-10^{x+1}+10^{x}+20=0

10^{2x}-1004\cdot10^{x}+4000=0

0.5^{x}+\frac{0.5625}{0.5^{x}}=4.625

9^{x}-3^{x+3}+3^{x}+81=0

2^{2x-1}-5\cdot2^{x}+8=0

5^{2x}-7\cdot5^{x}+10=0

0.25^{x}-0.5^{x+1}+0.5^{x}-1=0

10^{x}+\frac{15000}{10^{x}}=10001.5

3^{2x-1}-4\cdot3^{x}+9=0