1.\:\:4^{x+1}=\frac{1}{64}
2.\:\:4^{7-3x}=\frac{1}{16}
3.\:\:3^{6-3x}=\frac{1}{27}
4.\:\:2^{3x+5}=\frac{1}{16}
5.\:\:2^{7-3x}=\frac{1}{4}
6.\:\:5^{2-x}=\frac{1}{25}
7.\:\:2^{x+2}=\frac{1}{8}
8.\:\:\frac{1}{16}=2^{-2x-6}
9.\:\:3^{1-x}=\frac{1}{27}
10.\:\:2^{1-x^{2}}=\frac{1}{8}
