Question 189922
{{{(x+5)/(3x+15)}}} Start with the given expression.



{{{(x+5)/(3(x+5))}}} Factor the denominator



{{{cross((x+5))/(3*cross((x+5)))}}} Cancel out the common terms.



{{{1/3}}} Simplify



So {{{(x+5)/(3x+15)=1/3}}} where {{{x<>-5}}}