Other questions in this quiz

2. 9x+6x=

  • 15x
  • 96
  • 96x
  • 15xx
  • 15

3. 5b+2b=

  • 52
  • 52b
  • 7b
  • 7

4. 6a+3a-a=

  • 8a
  • 62a
  • -9a
  • 3a
  • 9a-a

5. 4b+10b-7b=

  • 21b
  • 14b-7b
  • 7b
  • 7b+b+b

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