Question 904954


a) 
{{{x+y=-3}}}
{{{2x-3y=4}}}

*[invoke solve_by_graphing 1, 1, -3, 2, -3, 4] 


 b) 

{{{x-y=3}}}
{{{2x+3y=-4}}}

*[invoke solve_by_graphing 1, -1, 3, 2, 3, -4] 

 c) 
{{{x+y=3}}}
{{{2x+3y=4}}}

*[invoke solve_by_graphing 1, 1, 3, 2, 3, 4] 

 d) 
{{{x+y=-3}}}
{{{2x-3y=-4}}}

*[invoke solve_by_graphing 1, 1, -3, 2, -3, -4]