Solving Real-World Equations: Algebra for 7th Graders

1. Sarah has x apples. If she buys 5 more apples, she will have 15 apples. Write an equation to find x.

• 20

• 10

• 5

• 12

2. A book costs $x. If you buy 3 books and spend $45, what is the cost of one book? Create an equation to solve for x.

• 10

• 20

• 15

• 25

3. Tom is x years old. In 5 years, he will be twice as old as he is now. Write an equation to find Tom's current age.

• 7

• 5

• 10

• 3

4. A rectangle has a length of 2x and a width of x. If the perimeter is 36 units, create an equation to find the value of x.

• 8

• 4

• 10

• 6

5. Lisa has $50. She spends x dollars each week. After 4 weeks, she has $10 left. Write an equation to find x.

• x = 5

• x = 20

• x = 15

• x = 10

6. A car travels at a speed of x miles per hour. If it takes 3 hours to reach a destination, how far is the destination? Create an equation to express this.

• 3x

• x/3

• 4x

• 2x

7. The sum of three consecutive integers is x. If the first integer is 4, write an equation to find the value of x.

• x = 10

• x = 15

• x = 18

• x = 12

8. A movie ticket costs $x. If you buy 4 tickets and spend $32, create an equation to find the price of one ticket.

• 8

• $16

• $4

• $12

9. A garden has x rows of plants. If each row has 5 plants and there are 30 plants in total, write an equation to find x.

• x = 6

• x = 7

• x = 4

• x = 5

10. A school has x students. If 10 more students enroll, the total becomes 150. Create an equation to find the original number of students.

• 130

• 140

• 120

• 150