Question 1173872
.


Since the post contained more than one problem, I deleted it.


Such posts are PROHIBITED by the rules of this forum.



/\/\/\/\/\/\/\/


<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 at least once before posting.


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



Those who violate them, work against their own interests.