Question 699924

{{{5x+y=9}}} .........1

{{{ 10x-7y=-18}}}.....2
______________________....if you have this, than you have a system of linear equations and you can solve it by graphing, by substitution or by addition (elimination)

-by graphing


*[invoke solve_by_graphing 5, 1, 9, 10, -7, -18]


-by substitution


*[invoke solving_linear_system_by_substitution 5, 1, 9, 10, -7, -18]


-by addition (elimination)


*[invoke solving_linear_system_by_elimination 5, 1, 9, 10, -7, -18]