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Mathematics 18 Online
OpenStudy (anonymous):

Need help Geometric Proofs...? (I'll post the questions)

OpenStudy (anonymous):

OpenStudy (mathstudent55):

Look at the given info and step 1 statement. What was done?

OpenStudy (anonymous):

Number 1 is the given, right?

OpenStudy (mathstudent55):

Right. That's your first reason. 1. Given

OpenStudy (anonymous):

Is number 2 Distributive property?

OpenStudy (mathstudent55):

Now look in the statements. What is the difference between statement 1 and statement 2?

OpenStudy (mathstudent55):

Correct. 2 Distributive

OpenStudy (anonymous):

3. addition property of equality?

OpenStudy (mathstudent55):

Now for 3, what is the difference between statement 2 and statement 3?

OpenStudy (mathstudent55):

No. The addition property of equality states you can add the same thing to both sides of an equation. I don't see any thing different on the right side. Describe in your own words the difference you see between statement 2 and statement 3.

OpenStudy (anonymous):

Oh okay, like terms were added? 15 and 9?

OpenStudy (mathstudent55):

Right. I'd say that 15 + 9 was replaced by 24. You could say 15 + 9 was SUBSTITUTED by 24. Does that make you think of a reason?

OpenStudy (anonymous):

Substitution property? :D

OpenStudy (mathstudent55):

Excellent.

OpenStudy (mathstudent55):

You have: 3. Substitution Now what happened between statements 3 and 4?

OpenStudy (anonymous):

Okay, so number 4 would be subtraction property of equality?

OpenStudy (mathstudent55):

Great. 4. Subtraction Property of Addition.

OpenStudy (mathstudent55):

What do you think 5 is?

OpenStudy (anonymous):

Number 5 would be additive identity?

OpenStudy (mathstudent55):

It shows that adding a zero to a number does not change the number.

OpenStudy (mathstudent55):

Correct again.

OpenStudy (mathstudent55):

5. Additive identity

OpenStudy (anonymous):

And would 6 be division property of equality?

OpenStudy (mathstudent55):

Exactly. You're great. What an excellent job. I think you should be helping people instead of asking for help.

OpenStudy (anonymous):

Yay! I get it now! Thank you so much :) Helped more than any of my teachers all year! haha. thank you :)

OpenStudy (mathstudent55):

You're very welcome.

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