Question

What is the value of the expression 4 x (2a - 1) if a = 3?
16
20
23
25

Answer 1

20

Explanation:

⇒ Multiply 2 by 3

2 * 3 = 6

4 (6 - 1)

⇒ Distribute terms

4 * 5

20

Hence, the answer is 20.

Answer 2

3x2=6-1=5 then 5x4=20