tolong besok dikumpul

2x + 22 = 84
2x = 84 - 22
2x = 62
x = 31

5y + 22 + 84 + 54 = 180
5y + 160 = 180
5y = 20
y = 4

x + 2y
= 31 + 2(4)
= 31 + 8
= 39