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Mathematics 15 Online
OpenStudy (anonymous):

https://static.k12.com/bank_packages/files/media/mathml_517fb34a1dea275598ef17f1ffae0e324d17ccc8_1.gif A. identity B. contradiction C. neither I THINK A

OpenStudy (just_one_last_goodbye):

need help?

OpenStudy (anonymous):

yes plz

OpenStudy (just_one_last_goodbye):

This is to find out if it true or false correct?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

i know that b is wrong and c must not be it because i think a

OpenStudy (anonymous):

6x-14=2(3x-7) 2(3x-7)=6x-14

OpenStudy (anonymous):

they are equal to one another

OpenStudy (just_one_last_goodbye):

Wait... let me think

OpenStudy (anonymous):

ok

OpenStudy (just_one_last_goodbye):

First lets do PEMDAS as there are 2 sides to this problem

OpenStudy (just_one_last_goodbye):

Do you see any parenthesis?

OpenStudy (anonymous):

yes

OpenStudy (just_one_last_goodbye):

Which side?

OpenStudy (anonymous):

right

OpenStudy (just_one_last_goodbye):

Correct so we start with the right side

OpenStudy (anonymous):

ok

OpenStudy (just_one_last_goodbye):

2(3x - 7) = 2 * 3x - 2 * 7

OpenStudy (just_one_last_goodbye):

Ok so.... whats 2 * 3x = ?

OpenStudy (anonymous):

6x

OpenStudy (just_one_last_goodbye):

correct ^_^ and whats 2 * 7 = ?

OpenStudy (anonymous):

14

OpenStudy (anonymous):

6x-14

OpenStudy (just_one_last_goodbye):

Correct again ^_^

OpenStudy (anonymous):

which is the left side ^__^

OpenStudy (just_one_last_goodbye):

so... is the right side equal with the left side? c;' 6x-14 = 6x-14

OpenStudy (anonymous):

yes

OpenStudy (just_one_last_goodbye):

so the statement is true ^_^

OpenStudy (anonymous):

and the left side is the right side

OpenStudy (anonymous):

which means it is a?

OpenStudy (just_one_last_goodbye):

Yes ^_^

OpenStudy (anonymous):

ok thank you i have one more like this let me post it here is a medal

OpenStudy (just_one_last_goodbye):

Thank you

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