49.8k views
4 votes
I was supposed to simplify - (-a - 1) - (a - 1), I got 2a + 2, It would be great if could tell me what I may have done wrong. I need a really deep explanation on this because I have already asked two tutors and am still confused on way the answer is +2.

1 Answer

6 votes

Given:

- (-a - 1) - (a - 1)

First, distribute the minus sign

a + 1 - a + 1

Combine like terms

a - a +1 + 1

2

Answer : 2

User Sunil Agarwal
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories