Question 358558
{{{x + y = 25}}}
{{{x = 25 - y}}}
{{{3x = 2y -5}}}
{{{3(25-y) = 2y -5}}}
{{{75 - 3y = 2y - 5}}}
{{{80 = 5y}}}
{{{16 = y}}}
So then x = 25-16 = 9