10^{2x-1}-101\cdot10^{x}+1000=0

0.2^{2x-1}-1.2\cdot0.2^{x}+0.04=0

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

2^{x}+\frac{6}{2^{x}}=5

5^{2x-1}-26\cdot5^{x}+125=0

5^{x}+\frac{187.5}{5^{x}}=126.5

10^{x}+\frac{3000}{10^{x}}=1003

0.2^{x}+\frac{0.3}{0.2^{x}}=1.7

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

5^{x}+\frac{2}{5^{x}}=3

4^{x}-2^{x+1}+2^{x}+4=0

3^{2x}-5\cdot3^{x}+6=0

0.5^{2x-1}-1.25\cdot0.5^{x}+0.125=0

0.2^{x}+\frac{0.4}{0.2^{x}}=2.2

3^{2x}-7\cdot3^{x}+12=0

0.2^{2x}-2.008\cdot0.2^{x}+0.016=0

0.04^{x}-0.2^{x+4}+0.2^{x}+0.0032=0

0.25^{x}-0.5^{x+4}+0.5^{x}-0.125=0

5^{2x-1}-126\cdot5^{x}+625=0

4^{x}-2^{x+2}+2^{x}+16=0

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

5^{2x}-128\cdot5^{x}+375=0

25^{x}-5^{x+3}+5^{x}-375=0

5^{2x-1}-26\cdot5^{x}+125=0