How to solve 15y + 31 = 61
subtract 31 from 61 to get 15y= 30divide 30 by 15 to gety= 2
begin with 15y=31=61
subtract 31 from 61 and 31
next 31-31 cancel out and then you'll end up having 15y= 30
then divide 30 by 15 your answer will end up being y= 2