Question

Which expression is equivalent to 2(a+3) when a=3?

A). 2(3)
B). 5(3)
C). 2(3)+3
D). 2(3)+6

Answer 1

D. 2(3)+6

Explanation:

If 2 is multiplied by 3 twice, both numbers in the parentheses are 6. So the sum of the problem is 12 and the expression is 2(3)+6

Answer 2

To solve:
2(3+3)= 2(6)=12

Answer: D). 2(3)+6