$\"\"$

\

The equations are

\

$\"\"$ Equation (1)

\

$\"\"$ Equation (2)

\

Multiply the equation (1) by 4.

\

$\"\"$ Equation (3)

\

Multiply the equation (2) by 5.

\

$\"\"$ Equation (4)

\

Subtract the equation (3) and equation (4) to eliminate the v variable

\

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

\

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

\

Divide each side by 22.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

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

\

$\"\"$

\

$\"\"$

\

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

\

Add 6 to each side.

\

$\"\"$

\

Apply Additive inverse property: $\"\"$ .

\

$\"\"$

\

Apply Additive identity property: $\"\"$ .

\

$\"\"$

\

$\"\"$

\

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

\

Divide each side by 5.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The solution is $\"\"$ .

\

$\"\"$

\

The solution is $\"\"$ .