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 .