$\"\"$

\

The expression is $\"\"$ .

\

Subtract second number from the first number.

\

To subtract an integer , add its opposite.

\

Opposite of $\"\"$ is $\"\"$ .

\

$\"\"$ (Add $\"\"$ to $\"\"$ )

\

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

\

\

To subtract an integer , add its opposite.

\

Opposite of $\"\"$ is $\"\"$ .

\

$\"\"$ (Add $\"\"$ to $\"\"$ )

\

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

\

The value of the expression is $\"\"$ .