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.

   Ari draws two bars for 2(x + 4) = 14, with a ruler and a very serious face. What is x?

   3
2. 2.

   Bo colors the bars for 3(x + 3) = 24, one crayon color for each piece. What is x?

   5
3. 3.

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

   6
4. 4.

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

   -7
5. 5.

   Milo copies 4(x + 3) = -8 from the board and draws the bars. What is x?

   -5
6. 6.

   Pia doodles a tiny star next to 5(x − 2) = -20 for luck. What is x?

   -2
7. 7.

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

   3
8. 8.

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

   • 2
   • 5
   • 10
   • 8
9. 9.

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

   • 1
   • 4
   • 7
   • 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