Question

4(a + 7) = 40 is the same as which of the following?

A. 4 - a - 7 = 40
B. 4 - a + 7 = 40
C. 4 + a + 7 = 40
D. 4a + 28 = 40

Answer 1

Answer D: 4a+28=40

Explanation:

4(a+7)=40

4a+28=40 distribute using distributive property

Answer 2

Answer: D. 4a + 28 = 40.

Explanation:

The following equation
`4(a+7)=40` involves distributive property.

The 4 outside of the parentheses is what you would have to "combine" to a and 7. In doing so you would get the answer.
`4a+28=40`