In an Ap, if the common difference (d)=-4,and the seventh term is 4,then find the first term.

In an Ap, if the common difference (d)=-4,and the seventh term is 4,th

1.	In an Ap, if the common difference (d)=-4,and the seventh term is 4,then find the first term.
Answer» T7= 4, d=-4Or, a+6(-4)= 4 a= 4+24= 28