Question

Evaluate the expression when a=6 and b=45

Answer 1

Answer:

21

Step-by-step explanation:

Given

b - 4a ← substitute a = 6 and b = 45 into the expression

45 - 4(6) = 45 - 24 = 21

Answer 2

Answer:

21

Step-by-step explanation:

When you plug the values in the expression becomes 45 - 4(6). Following the order of operations multiply 4(6) first. Now the equation is 45 - 24. Subtract these numbers to get 21.