Question 1173469
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<H3>One and ONLY ONE problem/question per post.</H3>


It is the RULE, the POLICY and the REQUIREMENT of this forum.


It is written in this page


https://www.algebra.com/tutors/students/ask.mpl?action=ask_question&topic=Equations&return_url=http://www.algebra.com/algebra/homework/equations/


from which you post your problems.



It is assumed that you read these rules before posting.


It is also assumed that you do understand what is written in that page and follow the rules.



Those who violate them, work against their own interests.



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I really do not understand, how it may happen that educated and civilized person can get this idea 
to post more than one problem per post . . . 


Only if he (or she) really wants to harm his (or her) own interests . . .