Which statements are true the ordered pair (1, 2) and the system of equations? y=−2x+47x−2y=3 select each correct answer. when (1, 2) is substituted into the second equation, the equation is true. when (1, 2) is substituted into the second equation, the equation is false. when (1, 2) is substituted into the first equation, the equation is true. when (1, 2) is substituted into the first equation, the equation is false. the ordered pair (1, 2) is not a solution to the system of linear equations. the ordered pair (1, 2) is a solution to the system of linear equations.