DIRECTIONS: Translate the verbal phrase into a variable expression or equation. Type the expression/equation in the box below. Do not enter any spaces. All fractions need to be written as $1 / 2$ or 3/4. Include parentheses when necessary. Use x as the variable. "Eight subtracted from the product of seven and a number"

Step 1 ：The question is asking to translate a verbal phrase into a mathematical expression. The phrase is 'Eight subtracted from the product of seven and a number'.

Step 2 ：'a number' can be represented as x

Step 3 ：'the product of seven and a number' can be represented as 7*x

Step 4 ：'Eight subtracted from the product of seven and a number' can be represented as 7*x - 8

Step 5 ：The mathematical expression for the verbal phrase 'Eight subtracted from the product of seven and a number' is \(\boxed{7x - 8}\)