Question

Find n if -1p, : n+1P = 5 : 12.​

Answer 1

-P/N+P=5/12 LET -P=5 _(1) and N+P=12 _(2) then putting the value of equation _(1) in _(2) we get that N+P=12 ; N=17 _(3) ;now putting value of equation we get p value -5 so N=17 AND P= -5