x = 3 - 9
x = -6
2p + 1 = 21
p = 10
2x = x + 5
x = 5
Michael travels 415 miles in 8.1 hours. What is his average speed to the nearest hundredth?
51.23 mph
3 + g = -17
g = -20
x + 1 = 3x - 5
x = 3
Terry takes 3.9 hours to study for her math test. How many minutes is she studying?
234 minutes
19 + w = 13
w = -6
3c - 8 = -8c - 2
c = 1
Tom sold half his comic books and then bought six more. He now has twelve. How many did he begin with?
12
7x = 126
x = 18
-7a + 4 = a - 16
a = 2 1/2
Joseph is building a rectangular garden. He has 30 feet of fencing. The width of the garden must be 8 feet. What is the length of the garden?
L = 14 ft
p/3 = -9
p = -27
d - 1 = 5d + 3
d = -1
Rihanna paid the cashier 2 twenty dollar bills for a $28.50 purchase. How much change should she get?
$11.50