$\"\"$

The word minus indicates subtraction and the symbol is ( $\"\"$ )

The word product indicates multiplication and the symbol is ( $\"\"$ )

The word is equal to and the symbol is ( $\"\"$ )

The word “7 times m” represents “ $\"\"$ ”

The word “the minus of 7m and $\"\"$ ” represents “ $\"\"$ ”

The word “the is equal to of $\"\"$ and ‘23’ represents $\"\"$ $\"\"$

Thus the algebraic expression is “ $\"\"$ ”