Multi-step equations with fractions, decimals and brackets

Answer Key - Grade 8 Math Worksheet - Building Confidence

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

1. 1.

   Milo colors the bars for 4x + x + 6 = 31 with a new crayon for each piece. What is x?

   5
2. 2.

   Noah sketches 3x + 2x − 3 = 27 as bars on lined paper, very neatly. What is x?

   6
3. 3.

   Pia draws 3x + 3x − 2 = 22 as bars and labels every piece in pen. What is x?

   4
4. 4.

   The math club warm-up is 5x + 2x − 5 = 23, and Tala wants to finish first. What is x?

   4
5. 5.

   Zee finds 2x + 4x + 9 = -3 on the bonus board. What is x?

   -2
6. 6.

   Esme gets 2(x + 4) + 1 = 19 on the math game sheet. What is x?

   5
7. 7.

   Jun writes 4(x − 1) + 2 = 22 in pen, very boldly. What is x?

   6
8. 8.

   Milo has four possible answers for 2(x + 6) + 1 = 27. Which value of x makes it true?

   • 13
   • 7
   • 8
   • 10
9. 9.

   Noah checks a friend's paper answers to 3x + x − 2 = 22 before class. Which value of x makes it true?

   • 11
   • 6
   • 5
   • 8
10. 10.

    Pia tries four values in 4(x + 4) − 2 = 46. Which value of x makes it true?

    • 8
    • 12
    • 7
    • 11