Question

Which of the following is the simplified

form of a + 3a - 4(9 - a) ?
A. -36
B. 3a-36
C. 8a - 36
D. 80+ 36

Answer 1

8a-36 is the simplified version :)

Answer 2

C. 8a - 36

Explanation:

a + 3a - 4(9-a)

a + 3a - 36 + 4a

8a - 36