0 \wedge 3x+7>0\\ D_f:x>\frac{1}{4} \wedge x>-\frac{7}{3}\\ D_f:x\in(\frac{1}{4},\infty)\\ \ln(4x-1)\leq\ln(3x+7)\\ 4x-1\leq3x+7\\ x\leq8\\\\ \underline{x\in\langle\frac{1}{4},8\rangle} " alt="\\D_f:4x-1>0 \wedge 3x+7>0\\ D_f:x>\frac{1}{4} \wedge x>-\frac{7}{3}\\ D_f:x\in(\frac{1}{4},\infty)\\ \ln(4x-1)\leq\ln(3x+7)\\ 4x-1\leq3x+7\\ x\leq8\\\\ \underline{x\in\langle\frac{1}{4},8\rangle} " align="absmiddle" class="latex-formula">