Find the difference between (7+a) and (-7a+1)

360,177 views

17 votes

3.2k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

19 votes

Answer:

The first equation is simply just 7 +
number

The second equation, however, is saying -7 times
number plus 1

A negative number times a positive number is always a negative number. The negatives cancel out.

2.7k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

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

1.6m questions

2.0m answers