Solving One-Step Equations
x + 55 = 100
x = 45
6x < -18
x < -3
6x + 11 = 65
x = 9
There are 47 trees currently in the park. Park workers will plant more trees today. When they're done, there will be 57 trees in the park. How many trees did the workers plant?
47 + x = 57
x = 10 trees
3x + 4 > 16
x > 4
x - 80 = 30
x = 110
r / -3 < 6
r > -18
9x - 21 = 60
x = 9
After paying $7 for a stack of brownies, Lacey has $71 left. How much money did she have before buying the brownies?
x - 7 = 71
x = $78
z/-2 - 6 < -2
z > -8
4x = 24
x = 6
-4/3 x < -4
x >3
x/2 - 5 = 25
x = 60
424 students went on a trip to the zoo. All 7 buses were filled, and 4 students have to travel in cars. How many students were in each bus?
7x + 4 = 424
x = 60 Students
-2t - 5 < 9
t > -7
x/3 = 12
x = 36
t - 4 < -14
t < -10
g/-5 + 3 = -13
g = 80
After eating at a restaurant, Fred, Sam, and Janice decided to divide the bill evenly. If each person paid $42, what was the total of the bill?
x/3 = 42
x = $126
7(x + 2) < -77
x < -13
-x/4 = 5
x = -20
-8 < z + 6.4
2/3x + 4 = 16
x = 18
A roller-skating rink charges a $16 fixed fee plus $7 an hour for a party. Laurie paid $79 to rent the rink. How many hours did she pay to have her party?
16 + 7x = 79
x = 9 hours
-1/3 (p + 9) < 4
p > -21