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

The equation is $\"\"$ .

Apply multiplication property of equality: multiply each side by 2 \ \

$\"\"$

$\"\"$ (cancel common terms)

$\"\"$ (multiply: $\"\"$ ) $\"\"$

Check:

To check, substitute greater than 16 in $\"\"$

$\"\"$ (divide: $\"\"$ )

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

The inequlity $\"\"$ is true for d=4