When you have a variable by itself either it be x or y there is always an invisible place holder before it. So a normal "y" would be "1y". So when you put 1y + 1y you get 2y.
Chat with our AI personalities
5+y+2y? = 5+3y?
4y+4 = 2y+12 4y-2y = 12-4 2y = 8 y = 4
y=-7 but I have no idea on how to get it
10-y=2y+3 10-3=2y+y 7=3y 7/3=y
4