Solving One-Step Equations
x + 55 = 100
x = 45
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?
Let x = the number of trees planted
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
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?
10 trees
x - 80 = 30
x = 110
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?
Let x = the amount of money she had before buying brownies
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
After paying $7 for a stack of brownies, Lacey has $71 left. How much money did she have before buying the brownies?
$78
4x = 24
x = 6
x/2-5=25
x = 15
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?
Let x = the number of students on each bus
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
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?
60 Students
x/3=12
x = 36
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?
Let x = the total of the bill
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
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?
$126
3/4x=27
x = 36
2/3x + 4 = 16
x = 18
A roller-skating rink charges a $16 fixed fee plus $7 an hour for a party. Find how long the party was if Laurie paid $79 to rent the rink.
Let x = the number of hours for the party
A roller-skating rink charges a $16 fixed fee plus $7 an hour for a party. Find how long the party was if Laurie paid $79 to rent the rink.
16 + 7x = 79
A roller-skating rink charges a $16 fixed fee plus $7 an hour for a party. Find how long the party was if Laurie paid $79 to rent the rink.
9 hours