D. Identify if the given ordered pair is a solution in the given system of linear equations. Write S if it is a solution and N for not.
Given:
[tex]x - y = - 4 \\ 3x - 3y = - 12[/tex]
1. ( 0 , 0 )
2. ( 3 , 7 )
3. ( -3 , 1 )
4. ( 1 , 5 )
