One-Step Equations
Solve for x. Show your work.
x - 3 = 4
x = 7
Abby is cooking cookies. The recipe calls for 10 cups of sugar. She has already put in 3 cups. How many more cups does she need to put in?
1. Write an equation.
2. Solve.
3 + x = 10
x = 7
7 more cups of flour
Solve for x. Show your work.
3x + 4 = 19
x = 5
Solve for m. Show all work.
2(2 + m) = 16
m = 6
What is the tallest mammal in the world?
The Giraffe
Solve for y. Show your work.
y + 6 = -5
y = -11
How many boxes of chocolate can you buy with $24.00 if each box costs $4.00?
1. Write an equation.
2. Solve.
4c = 24
c = 6
6 boxes of chocolate
Solve for a. Show your work.
8a + 5 = -11
a = -2
Solve for x. Show all work.
-2(x - 3) = 30
x = -12
What are the three primary colors?
Solve for a. Show your work. Check your solution.
a - 7 = -2
a = 5
At a restaurant Ms. C, Mrs. Nielsen, and Mr. Huard decided to split the bill evenly. If each of them paid $15.00 then how much was the bill?
1. Write an equation.
2. Solve.
x/3 = 15
x = 45
The bill was $45.00 total
Solve for x. Show all your work. Check your solution.
-10x + 25 = -35
x = 6
Meyer buys a bunch of bananas for $0.65 per pound and a frozen pizza for $4.99. The total for his purchase was $6.94 without tax. Determine how many pounds of bananas Meyer bought.
1. Write an equation.
2. Solve.
0.65b + 4.99 = 6.94
b = 3
Meyer can buy 3 pounds of bananas
Which planet has the most moons?
Saturn
Solve for x. Show your work. Check your solution.
4x = -20
x = -5
Tyler wants to buy a pair of headphones that cost $30. 98. How much change does he receive if he gave the cashier $40.00?
1. Write an equation.
2. Solve.
30.98 + c = 40
c = 9.02
Tyler will get $9.02 back.
Solve for f. Show all your work. Check your solution.
37 = 9f + 1
f = 4
Patricia buys 6 bottles of gatorade. She has coupons for $0.55 off the regular price of each bottle. After using the coupons, the total cost of the gatorade is $4.44. What is the regular price per bottle of gatorade?
1. Write an equation.
2. Solve.
6(p - 0.55) = 4.44
p = $1.29
Each bottle of gatorade costs $1.29.
Which part of the human body has the most bones?
The hands
Solve for t. Show your work. Check your solution.
t/4 = -2
t = -8
Mrs. Nielsen at 12 of your muffins. That was 3/10 of all of them! How many did you start with?
1. Write an equation.
2. Solve.
3/10m = 12
m = 40
You had 40 muffins to begin with.
Solve for x. Show all work. Check your solution.
27.2 = 2.6x + 9
x = 7
On Wednesday, Mr. Huard made $112 at his pizza delivery job. $34 was tips, and the rest was his regular rate of $12.00 per hour. How many hours did he work Wednesday?
1. Write an equation.
2. Solve
12h + 34 = 112
h = 6.5
Mr. Huard worked 6.5 hours on Wednesday.
I'm tall when I'm young and short when I'm old. What am I?
Candles