The equations are

                        Equation (1)

                      Equation (2)

Since the coefficients of the x-terms additive inverses, you can eliminate these terms by adding the equations. Add the equations to eliminate variable x.

Write the equations in column form and add the corresponding columns.

                                (Multiply with negative one)

                                       ( Product of two same signs is positive)

Now Substitute 2 for y in either equation to find the value of x.

                        (Equation 1)

                      (Replace y = 2)

                          (Multiply: )

Apply subtraction proparty:If a = b then

             (Subtract 4 from each side)

                                 (Subtract: )

                             (Divide each side by –4)

                                   (Divide: )

The solution is

The solution is .