Question

Consider the expression.

– (x + 3) – 2(4x – 3)

Which procedure correctly simplifies the expression?

A.
Step 1: –x + 3 – 8x + 6

Step 2: –9x + 9

B.
Step 1: –x – 3 – 8x – 3

Step 2: –9x – 6

C.
Step 1: –x – 3 – 8x – 6

Step 2: –9x – 6

D.
Step 1: –x – 3 – 8x + 6

Step 2: –9x + 3

Answer 1

D

Explanation:

Given

- (x + 3) - 2(4x - 3) ← distribute both parenthesis

step 1

= - x - 3 - 8x + 6 ← collect like terms

step 2

= - 9x + 3