X + 3 = 5 - x=2
X + 10 = 40 - x = 30
X - 30 = 3 - x = 33
X + 8 = 4 - x= - 4
X - 5 = 5 - x = 10
22X = 22 - x= 1
2X= 4 - x= 2
2X= 8 - x= 4
5X + 5 = 10 - x= 1