Question

Ssion 4 x (20 – 1) if a = 3? What the answer?

Answer 1

Answer:

20

Step-by-step explanation:

a = 3

4 × (2a - 1) =

= 4 × (2 × 3 - 1)

= 4 × (6 - 1)

= 4 × 5

= 20

Answer 2

Answer:

16

Step-by-step explanation:

Question:

4 × 2(a - 1)

Given value:

a = 3

Solution:

4 × 2(a - 1)

= 4 × 2(3 - 1) [Substituting the value of a = 3]

= 4 × 2(2)

= 4 × 4

= 16

Hence, 16 is the required answer.