الف) $\frac{(2/3)^{3x+1}}{(4/9)^{x+2}} = (1.5)^{1-2x}$

ج) $\frac{5^{2x+1} + 5^{2x}}{5^{2x} + 5^{2x-1}} = (0.04)^{x-1}$

ه) $4^{x-1} + 2^{2x+1} = 36$

ز) $\frac{6^{2x-2} \times 5^{1-x}}{4^x \times (0.2)^x} = 3.75$

ط) $\frac{27^{x-1} + 81^x}{3^{3x}} = \frac{4}{27}$