-1" alt="log_5(4x+1)>-1" align="absmiddle" class="latex-formula">
1;4x+1>0;4x+1>5^{-1}" alt="5>1;4x+1>0;4x+1>5^{-1}" align="absmiddle" class="latex-formula">
0.2" alt="4x+1>0.2" align="absmiddle" class="latex-formula">
0.2-1" alt="4x>0.2-1" align="absmiddle" class="latex-formula">
-0.8" alt="4x>-0.8" align="absmiddle" class="latex-formula"> |:4
-0.2" alt="x>-0.2" align="absmiddle" class="latex-formula">
х є