Is the ordered pair (2,−1)(2, -1) a solution to the equation 4x−y=94x - y = 9?

5. Systems of Linear Equations

5. Systems of Linear Equations / Solving Systems of Linear Equations by Graphing / Problem 1

Problem 1

Is the ordered pair $open paren 2 comma negative 1 close paren$ a solution to the equation $4 x - y = 9$ ?

Yes