$\"\"$

\

The system of linear equations are

\

$\"\"$ (Equation 1)

\

$\"\"$ (Equation 2)

\

$\"\"$ (Equation 3).

\

To solve for y, the value of $\"\"$ substitute in equation 2 as follows:

\

$\"\"$ (Write original equation 2)

\

$\"\"$ (Substitute $\"\"$ )

\

$\"\"$ (Add 10 to each side)

\

$\"\"$ (Divide each side by 6) $\"\"$

\

To solve for x, the values of $\"\"$ substitute in equation 1 as follows:

\

$\"\"$ (Write original equation 1)

\

$\"\"$ (Substitute $\"\"$ )

\

$\"\"$ (Simplify)

\

$\"\"$ (Subtract 3 from each side)

\

$\"\"$ (Divide each side by 4)

\

The solution is $\"\"$ , which can be rewrite as the ordered triple $\"\"$ . $\"\"$

\

The solution is $\"\"$ .