
-1" alt="log_ \frac{1}{7} ( x+3)> -1" align="absmiddle" class="latex-formula">
ОДЗ x>-3

log_ \frac{1}{7} 7 \\ x+3<7 \\ x<4" alt="log_ \frac{1}{7} (x+3) > log_ \frac{1}{7} 7 \\ x+3<7 \\ x<4" align="absmiddle" class="latex-formula">
подставляем ОДЗ
x=(-3 4) jndtn 3