Solving Real-Life One-Step Equations with Variables

1. Sarah has x apples. If she buys 5 more apples, she will have 12 apples. What is the value of x?

• 5

• 10

• 7

• 15

2. A book costs x dollars. If you buy 3 books and spend 21 dollars, how much does each book cost?

• 7 dollars

• 3 dollars

• 5 dollars

• 10 dollars

3. Tom has x marbles. He gives away 4 marbles and now has 10 left. How many marbles did Tom start with?

• 16

• 12

• 10

• 14

4. A box contains x toys. If you add 6 toys to the box, there will be 20 toys in total. How many toys were in the box originally?

• 16

• 14

• 10

• 12

5. Lisa is x years old. If she is 3 years older than her brother, and her brother is 10 years old, how old is Lisa?

• 15

• 12

• 13

• 10

6. A car travels x miles in 2 hours. If it travels 60 miles in total, what is the value of x?

• 50 miles

• 30 miles

• 40 miles

• 20 miles

7. A pizza has x slices. If you eat 2 slices and there are 6 slices left, how many slices were there originally?

• 6

• 4

• 8

• 10

8. The temperature is x degrees. If it rises by 5 degrees and becomes 15 degrees, what was the original temperature?

• 5 degrees

• 20 degrees

• 10 degrees

• 12 degrees

9. A pack of stickers costs x dollars. If you buy 4 packs for 16 dollars, how much does each pack cost?

• 5 dollars

• 4 dollars

• 3 dollars

• 2 dollars

10. A garden has x flowers. If 3 flowers wilt and there are 12 flowers left, how many flowers were there at first?

• 15

• 12

• 18

• 10