Question 964460
Multiply the second equation by {{{-3}}} and add to the first,
{{{5x+3y-3y+3x=13-39}}}
{{{8x=-26}}}
{{{x=-26/8}}}
{{{x=-13/4}}}
Then,
{{{y+13/4=13}}}
{{{y=52/4-13/4}}}
{{{y=39/4}}}