Question

evaluate the expression for a = -8, a = 2, and a = 7.
4a + 5

the expression 4a + 5 is equal to -27 for a = -8.
(type an integer or a decimal.)
the expression 4a + 5 is equal to \\(\square\\) for a = 2.
(type an integer or a decimal.)

Explanation:

Step1: Substitute a=2 into 4a+5

$\text{Expression} = 4(2) + 5$

Step2: Calculate multiplication first

$4(2) = 8$

Step3: Add the remaining term

$8 + 5 = 13$

Answer:

13