$\"\"$

\

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

\

$\"\"$ ---------------------> (Equation 1)

\

$\"\"$ ---------------------> (Equation 2) $\"\"$

\

The first equation is $\"\"$ .

\

Add 3y to each side.

\

$\"\"$

\

$\"\"$

\

Divide each side by 4.

\

$\"\"$

\

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

\

To substitute $\"\"$ for x in second equation.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

LCM of 4, 1 is 4.

\

$\"\"$

\

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

\

Multiply each side by 4.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Subtract 39 from each side.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Divide each side by negative 25.

\

$\"\"$

\

$\"\"$

\

To substitute $\"\"$ in $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Multiply by $\"\"$ , reciprocal of 4.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The coordinate is (x, y) = $\"\"$ . $\"\"$

\

\

The solution of the point is $\"\"$ .