Question 411059
{{{2x + 5y = 2}}}
{{{-3x - y = -3}}}

*[invoke linear_substitution "x", "y", 2, 5, 2, -3, -1, -3]

(1, 0)

{{{8x -y = 31}}}
 {{{5x + 3y = 23}}}

*[invoke linear_substitution "x", "y", 8, -1, 31, 5, 3, 23]

(4, 1)

{{{2x + 6y = 24}}}
{{{5x - 2y = 9}}}

*[invoke linear_substitution "x", "y", 2, 6, 24, 5, -2, 9]


(3, 3)