The equations are

                     Equation (1)

                       Equation (2)

Multiply the second equation by 2

Now the equation is

                     Equation (2)

Since the coefficients of the x-terms, +8 and +8, are additive inverses,

you can eliminate these terms by adding the equations.

Subtract the equations to eliminate variable y.

     (write the equations in column form and subtract)

Now Substitute  1 for y in either equation to find the value of x.

              (Equation 2)

          (Replace y by 1 )

                (Apply multiplicative identity property: )

   (Add 3 to each side)

                (Apply additive inverse property: )

                       (Add: 5 + 3 = 8)

                 (Divide each side by 4) \ \

                      (Cancel common terms) \ \

                         (Divide: )

The solution is (x, y) = (2, 1)

The solution is (x, y) = (2, 1).