Question 392915
{{{2x + 3y = 5}}}
(a,3) means when {{{x = a}}}, {{{y = 3}}}
Plug {{{x = a}}}, and {{{y = 3}}} into the equation
{{{2a + 3*3 = 5}}}
{{{2a = 25 -9}}}
{{{2a = 16}}}
{{{a = 8}}}