@Saurabh: No. It represents an equation with no solutions. "(x - 7) + 7 = (x + 1) - 5" reduces algebraically to "0 = -4". Since there are no values of x for which this is a true statement, there are no solutions.
Dave On Monday, January 27, 2014 5:32:19 AM UTC-6, Saurabh Singh_cse_20094016 wrote: > ^ No its not invalid. It just represents an equation with infinitely many > correct solutions depending on the domain of x. > > Saurabh Singh > B.Tech (Computer Science) > MNNIT > blog:geekinessthecoolway.blogspot.com > > > On Mon, Jan 27, 2014 at 4:21 PM, Amol Sharma <amolsh...@gmail.com<javascript:> > > wrote: > >> i din't get ur question. >> >> isn't the equation "*(x - 7) + 7 = (x + 1) - 5*" invalid ? >> >> -- >> Thanks and Regards, >> Amol Sharma >> >> >> >> On Wed, Jan 15, 2014 at 3:34 AM, Arpit Sood <sood...@gmail.com<javascript:> >> > wrote: >> >>> Equivalent to solving an infix expression using stack with a pair (first >>> variable, second constant) as the element >>> >>> >>> On Sat, Jan 11, 2014 at 6:50 AM, atul anand >>> <atul.8...@gmail.com<javascript:> >>> > wrote: >>> >>>> Hello, >>>> >>>> How to solve an equation with one unknown variable ? >>>> operator allowed are : + , - >>>> >>>> for eg . input could be :- >>>> x + ( 5 + 4 ) = 6 >>>> (x - 7) + 7 = (x + 1) - 5 >>>> >>>> If operator also allows " * " (multiply) , then what change in >>>> algorithm is required. >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Algorithm Geeks" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to algogeeks+...@googlegroups.com <javascript:>. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Algorithm Geeks" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to algogeeks+...@googlegroups.com <javascript:>. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to algogeeks+...@googlegroups.com <javascript:>. >> > > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To unsubscribe from this group and stop receiving emails from it, send an email to algogeeks+unsubscr...@googlegroups.com.
