2 times the sum of 7 times a number and 4

Publish date: 2024-05-05
2 times the sum of 7 times a number and 4

This is an algebraic expression. Let's take it in 4 parts:

  • The phrase a number means an arbitrary variable, let's call it x.
  • 7 times a number means we multiply x by 7: 7x
  • The sum of 7 times a number and 4 means we add 4 to 7x: 7x + 4
  • Finally, we multiply the sum in #3 by 2
    • Build our final algebraic expression:
    2(7x + 4)

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