Question 470632
{{{343^(2v+3)<=(1/7)^(5-2v)}}}
{{{(7^3)^(2v+3)<=(7^(-1))^(5-2v)}}}
{{{7^(3(2v+3))<=7^(-(5-2v))}}}
{{{3(2v+3)<=-(5-2v)}}}
{{{6v+9<=-5+2v}}}
{{{6v-2v<=-5-9}}}
{{{4v<=-14}}}
{{{v<=-14/4}}}
{{{v<=-3.5}}}