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

The expression is “negative 117 is nine times a number”.

Let $\"\"$ represent the number.

The word “negative” can be represented as “ $\"\"$ ” symbol

The word “is” can be represented as “ $\"\"$ ” symbol.

The word “times” indicates multiplication and the symbol is “ $\"\"$ ”. $\"\"$

Rewrite the sentence into expression as

$\"\"$

The equation is $\"\"$ $\"\"$

According to division property of equality: Divide each side by 9.

$\"\"$

$\"\"$ (Cancel common terms)

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

The number is $\"\"$