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

The equation is $\"\"$ .

Apply Addition property of equality: Add 5 to each side.

$\"\"$

$\"\"$ According to Additive inverse property: $\"\"$ .

$\"\"$ According to Additive identity property: $\"\"$ .

$\"\"$ (Add: $\"\"$ ) $\"\"$

Check:

To check, substitute greater than 9 in $\"\"$

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

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

The solution is $\"\"$ .