Question 104806
Let first number = x and second number = (3x+1).  So equation is 
{{{8x-2(3x+1) = 10}}}
{{{8x-6x-2 = 10}}}
{{{2x-2 = 10}}}
{{{2x = 12}}}
{{{x=6}}}

So, first number is 6 and second is 19.

Good Luck!