r over 5 minus 6 equals negative one solve for r
r/5 -6 =-1r/5 -5 =0r/5=5r=25
the expression will be r/5 -6=-1
The only number that we subtracted by 6 that will equal -1 will be 5
so r = 25
25/5= 5-6=-1
r=25
