4y - 10 + y + 51 = 6y + 50 - 4y

Please help me. thanks!

4y - 10 + y + 51 = 6y + 50 - 4y

5y + 41 = 2y + 50
5y - 2y = 50 - 41
3y = 9
y = 9/3
y = 3