The\:sum\:of\:the\:fifth\:and\:eight\:terms\:of\:the\:an\:Arithmetic\:Progression\:\left(A.P\right)\:is28\frac{1}{5}.\:If\:the\:third\:term\:is\:subtracted\:from\:twice\:the\:seventh\:term,\:the\:result\:is\:25\frac{4}{5}.\:Fnd\:the\:first\:term
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.