\"\"

\

The system of equations are \"\".

\

\"\" ------------------>           (1)

\

\"\" ------------>                (2)

\

\"\" ------------->              (3)

\

Use elimination to make a system of two equations in two variables. 

\

Multiply equation (2) by 2.

\

\"\" ------------------>       (4) 

\

Subtract equations (4) from (1).

\

\"\"

\

\"\"  -------------->                (5)\"\"

\

Addition equations (2) from (3).

\

\"\"

\

\"\"  -------------->                  (6)

\

Multiply equation (6) by 5.

\

\"\" --------------->            (7) \ \

\

Addition equations (7) and (5).

\

\"\"\"\"

\

Divide each side by negative 4.

\

\"\"

\

\"\"

\

\"\"

\

Substitute \"\" value in equation (6).

\

\"\"

\

Product of two same sings positive.

\

\"\"

\

\"\"

\

Subtract 1 from each side.

\

\"\"

\

\"\"

\

\"\"

\

Divide each side by 4.

\

\"\"

\

\"\"

\

\"\"

\

Substitute \"\" and \"\" value in equation (1).

\

\"\"

\

Product of two different sings is negative.

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

Divide each side by 6.

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

The values are \"\".