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.

   Zee's puzzle of the week is (3/4)x − 2 = 7. What is x?

   12
2. 2.

   Esme finds (5/4)x + 1/2 = 3 in the challenge corner of the math book. What is x?

   2
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.

   Milo spots -9/2 = 3x + 3/2 in the puzzle corner. What is x?

   -2
6. 6.

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

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

   Ren checks four answers for 1 = 4x + 9, with x on the right. Which value of x makes it true?

   • -8
   • -2
   • 5/2
   • 2
8. 8.

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

   10
9. 9.

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

   60
10. 10.

    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