Ask
your own question, for FREE!
Mathematics
48 Online
OpenStudy (anonymous):
How do I know this is true? 2x -4 = 2x - 4
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
its true because its the commutative property i believe
OpenStudy (anonymous):
You can use login to see that it's the same but here is the answer: 2x−4=2x−4 So 2x−2x= -4 + 4 0=0 So it's true.
OpenStudy (anonymous):
thanks for the medal
OpenStudy (anonymous):
I meant logic instead of login. Sorry.
OpenStudy (anonymous):
Thanks guys :)
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
ur welcome
OpenStudy (anonymous):
no problem.
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
DonaldTrumpofQC:
How do historians know how to categorize historical eras. Like "The Middle Ages"
Skyler14:
my bipolar is getting worse i'm in the middle of school idk what to do
Taku12:
Is it necessary to learn shading in color pencils again in art 2? (I already did
gelphielvr:
Why do people often blame Germany for WW1 when in reality they didn't start it? W
gelphielvr:
(time management advice) Okay so I'm in HS and I've been really struggling with completing my assignments after school.
korbie:
In today's time and age, no one really takes the time to look or understand about the actions they have, and how it affects the world around them.
DonaldTrumpofQC:
Are mods able to see what email we all signed up with?
xXAikoXx:
Write the prefix that begins each word, based on the definition given. _____ soli
Countless7Echos:
Update it's finished all is left is the multiple.. multiple... files to put togather.
DonaldTrumpofQC:
How do I open google.com, but as an about:blank window?
DonaldTrumpofQC:
How do historians know how to categorize historical eras. Like "The Middle Ages"
24 minutes ago
0 Replies
0 Medals
Skyler14:
my bipolar is getting worse i'm in the middle of school idk what to do
1 hour ago
5 Replies
1 Medal
Taku12:
Is it necessary to learn shading in color pencils again in art 2? (I already did
1 hour ago
2 Replies
0 Medals
gelphielvr:
Why do people often blame Germany for WW1 when in reality they didn't start it? W
1 hour ago
2 Replies
2 Medals
gelphielvr:
(time management advice) Okay so I'm in HS and I've been really struggling with completing my assignments after school.
3 hours ago
2 Replies
2 Medals
korbie:
In today's time and age, no one really takes the time to look or understand about the actions they have, and how it affects the world around them.
13 hours ago
4 Replies
2 Medals
DonaldTrumpofQC:
Are mods able to see what email we all signed up with?
4 hours ago
3 Replies
1 Medal
xXAikoXx:
Write the prefix that begins each word, based on the definition given. _____ soli
18 hours ago
5 Replies
1 Medal
Countless7Echos:
Update it's finished all is left is the multiple.. multiple... files to put togather.
4 hours ago
5 Replies
0 Medals
DonaldTrumpofQC:
How do I open google.com, but as an about:blank window?
21 hours ago
47 Replies
2 Medals