Question 104487
the graphical solution of the equation 
1.
{{{x - y = -2}}}   

*[invoke graphing_linear_equations "standard", 1, -1, -2, 2, 1]


2.
{{{x - 3y = 14}}}   I guess, here is {{{-3y}}}

*[invoke graphing_linear_equations "standard", 1, -3, 14, 2, 1]