Question 109750
{{{x + 3y = 13}}}
{{{y = 3}}}
{{{x + 3*3 = 13}}}
{{{x = 13 - 9}}}
{{{x = 4}}}
{{{4 + 3y = 13}}}
{{{3y = 13 - 4}}}
{{{y = 9/3}}}
{{{y = 3}}}
They intersect at (4,3)
check answer
{{{x + 3y = 13}}}
{{{4 + 3*3 = 13}}}
{{{13 = 13}}}
{{{y = 3}}}
{{{3 = 3}}}