$\"\"$

\

The perimeter of a rectangle is the sum of the measures of four sides.

\

So, $\"\"$ .

\

Solve for x.

\

$\"\"$ (Write the expression)

\

$\"\"$ (Apply distributive property: $\"\"$ )

\

$\"\"$ (Multiply: $\"\"$ ) $\"\"$

\

Apply subtraction property of equality: if $\"\"$ .

\

$\"\"$ (Subtract 220 from each side)

\

$\"\"$ (Apply commutative law of addition)

\

$\"\"$ (Apply additive inverse property: $\"\"$ )

\

$\"\"$ (Apply additive identity property: $\"\"$ )

\

$\"\"$ (Subtract: $\"\"$ ) $\"\"$

\

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

\

$\"\"$ (Cancel common terms)

\

$\"\"$ (Divide: $\"\"$ )

\

The value of the x is 66. $\"\"$

\

The value of the x is 66.