Answer:
20
Step-by-step explanation:
Question:
4 × (2a - 1)
Given value:
a = 3
Solution:
4 × (2a - 1)
= 4 × (2(3) - 1) [Substituting the value of a=3]
= 4 × (6 - 1) [Simplification]
= 4 × 5 [On further simplification]
= 20
Hence, 20 is the required answer.
