Question

Evaluate the expression when a = 4 and b = 6.

8a – 4b + 5

Answer 1

just plug in the number buddy

Answer 2

8(4)-4(6)+5

Answer 3

8a – 4b + 5
Let a = 4.
Let b = 6

1) Replace a and b with their number values
8*(4) – 4*(6) + 5

2) Simplify the parentheses by multiplying
32 - 24 + 5

3) Do the additions and subtractions in the order you come to them
... 8 .... + 5
..... 13 <-- answer

Answer:
13