PLZZZZ I NEEED HELP!!!
I said please

Step-by-step explanation:
Angle 128 ° + Angle Y = 180 °
Y = 180 - 128
= 52 °
5x + 3 + Y = 180
5x + 3 + 52 = 180
5x + 55 = 180
5x = 180 - 55
5x = 125 °
x = 125 ÷ 5
x = 25