The system of equations are  and .

Solve the system of equations by elimination method.

Step 1:

Subtract the equations to eliminate a variable.

                   (Divide each side by )

                                 (Cancel common terms)

Step 2:

Substitute into any original equation to find value.

                        (First equation)

                  (Substitute )

                        (Multiply)

       (Add to each side)

                                (Apply additive inverse property: )

                           (Divide each side by )

                                    (Cancel common terms)

Solution of the system is .