Question

evaluate the expression for m = -1. 5m - 13 =

Explanation:

Step1: Substitute \( m = -1 \) into the expression

We have the expression \( 5m - 13 \). Substitute \( m = -1 \) into it, so we get \( 5\times(-1)-13 \).

Step2: Calculate the multiplication and subtraction

First, calculate \( 5\times(-1)= -5 \). Then, calculate \( -5 - 13 \). Since subtracting a number is the same as adding its opposite, \( -5 - 13 = -5 + (-13) = -18 \).

Answer:

\( -18 \)