$\"\"$

\

The equations are $\"\"$ .

\

$\"\"$ Equation (1)

\

$\"\"$ Equation (2)

\

Since $\"\"$ , substitute $\"\"$ for y in the first equation.

\

$\"\"$

\

$\"\"$ (Add 1 to each side) \ \

\

$\"\"$

\

$\"\"$

\

$\"\"$ (Subtract 2x from each side)

\

$\"\"$

\

$\"\"$

\

$\"\"$ (Divide each side 2)

\

$\"\"$

\

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

\

Substitute $\"\"$ in first equation.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The solution is $\"\"$ .