menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
An eighth-grade student claims she can prove that subtraction of integers is commutative. She points out that if a and b are integers, then a - b = a + (-b)
Ask a Question
Questions
Unanswered
Tags
Ask a Question
An eighth-grade student claims she can prove that subtraction of integers is commutative. She points out that if a and b are integers, then a - b = a + (-b)
asked
Jun 16, 2018
129k
views
1
vote
An eighth-grade student claims she can prove that subtraction of integers is commutative. She points out that if a and b are integers, then
a - b = a + (-b)
Mathematics
middle-school
Nibnut
asked
by
Nibnut
8.4k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
6
votes
That is right. Just like a * b = b * a
Kann
answered
Jun 22, 2018
by
Kann
7.8k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
No related questions found
Ask a Question
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
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org