0\\\\log_{0,5}\frac{x}{3} \geq log_{0,5}{0,5^{-2}}\\\\\frac{x}{3} \leq 4,\; \; x \leq 12\\\\x\in (0,12]" alt="2.\; log_{0,5}\frac{x}{3} \geq -2,\; ODZ:\; x>0\\\\log_{0,5}\frac{x}{3} \geq log_{0,5}{0,5^{-2}}\\\\\frac{x}{3} \leq 4,\; \; x \leq 12\\\\x\in (0,12]" align="absmiddle" class="latex-formula">
0\\\\log_22^{-3}-log_22^{-5}=log_2x\\\\log_2(2^{-3}:2^{-5})=log_2x\\\\x=2^2=4" alt="4.\; 3log_2\frac{1}{2}-log_2\frac{1}{32}=log_2x,\; ODZ:\; x>0\\\\log_22^{-3}-log_22^{-5}=log_2x\\\\log_2(2^{-3}:2^{-5})=log_2x\\\\x=2^2=4" align="absmiddle" class="latex-formula">