Question

evaluate the expression when a=4 and x=-7. -5x+a

Explanation:

Step1: Substitute given values

Substitute $a=4$ and $x=-7$ into $-5x+a$:
$-5(-7) + 4$

Step2: Calculate the multiplication

Compute the product term:
$35 + 4$

Step3: Calculate the sum

Add the two values together:
$35 + 4 = 39$

Answer:

39