$\"\"$

\

The equations are

\

$\"\"$ Equation (1)

\

$\"\"$ Equation (2)

\

Rewrite the equation $\"\"$ .

\

Apply addition property of equality: If a = b then a + b = b + a.

\

Add $\"\"$ to each side.

\

$\"\"$

\

$\"\"$

\

$\"\"$ Equation (3)

\

Multiply equation (1) by $\"\"$ . \ \ $\"\"$ Equation (4)

\

Subtract the equation (3) and equation (4) to eliminate the s variable.

\

$\"\"$ (Subtract the corresponding columns) $\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Multiply each side by 2.

\

$\"\"$

\

$\"\"$

\

Substitute $\"\"$ in equation (3).

\

$\"\"$

\

$\"\"$

\

Apply subtraction property of equality: If a = b then a $\"\"$ b = b $\"\"$ a.

\

Subtract 22 from each side.

\

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

\

$\"\"$

\

$\"\"$

\

Apply product property of equality: if a = b, then $\"\"$ .

\

Multiply each side by 2.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The solution is $\"\"$ .

\

$\"\"$

\

The solution is $\"\"$ .