Question

Which expression is not equivalent to the following expression?

15 - 3 + 15 - 3 - 3 + 15

A. 3(15 - 3)
B. 3(15)
C. 3(15 + 3)
D. 3(12)

Answer 1

Answer: D

Explanation:

Answer 2

In the above problem: it appears that the original expression is equal to 36.

A. 3(15-3) = 3(12)=36
B. 3(15) = 45
C. 3(15+3) = 3(18)=54
D. 3(12) = 36

So it looks like choices A and D are equivalent to the original expression.