Question 206200
{{{x/2=5/(x+9)}}}
Cross multiply.
{{{x(x+9)=5(2)}}}
{{{x^2+9x=10}}}
{{{x^2+9x-10=0}}}
Factor.
{{{(x+10)(x-1)=0}}}
{{{x+10=0}}} or {{{x-1=0}}}
{{{x=-10}}} or {{{x=1}}}