1) 8q = 72 25
q = (72 25) / 8
q = 225

2) 4p = 8 25 9
p = (8 25 9) / 4
p = 450

3) 2x + 168 45 = 3000 3
2x = (3000 3) - (168 45)
2x = 9000 - 7560
2x = 1440
x = 720

4) 2y + 9 168 5 = 9000
2y = 9000 - (9 168 5)
2y = 9000 - 7560
2y = 1440
y = 720

5) 5z - 300 27 = 10000
5z = 10000 + (300 27)
5z = 10000 + 8100
5z = 18100
z = 3620

6) 5v - 8 300 3 = 10000
5v = 10000 + (8 300 3)
5v = 10000 + 7200
5v = 17200
v = 3440