Question 1130422

{{{(5/6)x-(1/3)y-21=0}}}
{{{(1/6)x+(2/3)y+9=0}}}

{{{(5/6)x-(1/3)y=21}}}
{{{(1/6)x+(2/3)y=-9}}}




*[invoke solving_linear_system_by_elimination "5/6", -"1/3", 21, "1/6", "2/3", -9] 


answer:

({{{x}}},{{{ y}}}) =({{{34}}},{{{ -22}}})