lama12558564 lama12558564
  • 25-01-2021
  • Mathematics
contestada

what is 7x + 6x = ?
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Respuesta :

kp318517
kp318517 kp318517
  • 25-01-2021

Answer:

  • 13x

Step-by-step explanation:

Two ways to solve

1.) Expand each term in the equation

  • 7x = x · x · x · x · x · x · x
  • 6x = x · x · x · x · x · x
  • Count all the x’s ⇒ There are 13 x’s ⇒ 13x

2.) Add the coefficients

  • 7 + 6 = 13
  • 7x + 6x = 13x

Hence,

Answer = 13x

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