$\"\"$

The equations are $\"\"$ and $\"\"$ .

$\"\"$ Equation (1)

$\"\"$ Equation (2)

Solve first equation for x.

Subtract y form each side.

$\"\"$

$\"\"$

Since $\"\"$ , substitute $\"\"$ for x in the second equation.

$\"\"$

Divide each side by negative 2.

$\"\"$

Substitute $\"\"$ in $\"\"$ .

$\"\"$ \ \ $\"\"$

The solution is $\"\"$ .