Question

evaluate the expression when x = 5. x·1 - 9

Explanation:

Step1: Substitute \( x = 5 \) into the expression

The expression is \( x \cdot 1 - 9 \). Substituting \( x = 5 \), we get \( 5 \cdot 1 - 9 \).

Step2: Simplify the expression

First, calculate \( 5 \cdot 1 = 5 \). Then, subtract 9 from 5: \( 5 - 9 = -4 \).

Answer:

\( -4 \)