Solve two-step equations like 3x + 4 = 19

Answer Key - Grade 7 Math Worksheet - Challenge Me

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

1. 1.

   Tala meets a fraction in front of x: (2/3)x + 5 = 11. What is x?

   9
2. 2.

   Bo colors in the bars for (2/5)x − 3 = -7. What is x?

   -10
3. 3.

   Jun's card has x on the right side: -12 = 4x + 8. What is x?

   -5
4. 4.

   Kira reads 6 = 1.5x − 4.5 from right to left, just to be different. What is x?

   7
5. 5.

   Luz gets -2 = -0.5x + 3.5 as the warm-up. What is x?

   11
6. 6.

   Noah tests four guesses for (2/3)x − 4 = 6. Which value of x makes it true?

   • 13
   • 10
   • 15
   • 20/3
7. 7.

   Zee watches a whale at -40 m rise 2.5 m each second. After how many seconds is the whale at -15 m?

   10
8. 8.

   Ari reads 2/3 of a book, then 12 more pages, for 52 pages so far. How many pages long is the book?

   60
9. 9.

   Bo's class fund had $12. The class adds 3/4 of its bake-sale money, and now the fund has $57. How much money did the bake sale make?

   $60
10. 10.

    Jun solves -10 = 4x + 6 with algebra: subtract 6 from both sides, then divide both sides by 4. Which arithmetic does the same steps in the same order?

    • (-10 − 6) × 4
    • (-10 − 6) ÷ 4
    • (-10 + 6) ÷ 4
    • -10 ÷ 4 − 6