Which statements are true about the ordered pair (−1,−4) and the system of equations?
x−y=3
7x−y=−3
select all correct answers.
1. when (−1,−4) is substituted into the second equation, the equation is true.
2. when (−1,−4) is substituted into the first equation, the equation is true.
3. when (−1,−4) is substituted into the second equation, the equation is false.
4. the ordered pair (−1,−4) is not a solution to the system of linear equations.
5. the ordered pair (−1,−4) is a solution to the system of linear equations.
6. when (−1,−4) is substituted into the first equation, the equation is false.