Question 168755
4y-5+y+23=6y+20-3y [combine like terms.]
[4Y+Y=5Y, 23-5=18, 6Y-3Y=3Y]
5y+18=3y+20 [subtract 3y from both sides, sibtract 18 from both sides] 
5Y-3Y=20-18 [subtract 3y from 5y, subtract 18 from 20]
2Y=2 [divide both sides by 2]
Y=2/2 [reduce the fraction]
Y=1 ans.