Solve equations with a bracket like 3(x + 4) = 21

Answer Key - Grade 7 Math Worksheet - Building Confidence

Circle the best answer, or write your answer on the line.

1. 1.

   Esme sketches the bars for 4(x − 4) = 8 on lined paper. What is x?

   6
2. 2.

   Jun draws the bars for 4(x − 2) = 12 in pen, very boldly. What is x?

   5
3. 3.

   The math club warm-up is 2(x + 5) = -4, and Luz wants to finish first. What is x?

   -7
4. 4.

   Noah's quiz starts with 6(x − 2) = 18. What is x?

   5
5. 5.

   Ren gets 2(x − 4) = -2 as the bonus question. What is x?

   3
6. 6.

   Tala tests four guesses for 4(x + 4) = 24. Which value of x makes it true?

   • 8
   • 5
   • 10
   • 2
7. 7.

   Zee has four possible answers for 3(x − 3) = 12, and only one works. Which value of x makes it true?

   • 7
   • 1
   • 5
   • 4
8. 8.

   Ari checks a friend's answers to 2(x + 3) = -8 before class. Which value of x makes it true?

   • -1
   • -4
   • -7
   • -14
9. 9.

   Bo packs 2 gift bags. Each bag gets the same number of stickers plus 4 pens, and the bags hold 18 things in all. How many stickers go in each bag?

   5
10. 10.

    Esme and 2 friends each buy a sandwich and a $1 juice. They spend $12 in all. How many dollars does one sandwich cost?

    3