wspangler wspangler
  • 07-04-2020
  • Mathematics
contestada

14. The difference of twice a number and 7 is 9.

Respuesta :

Maurice07
Maurice07 Maurice07
  • 09-04-2020

Answer:

16

Step-by-step explanation:

Let the unknown number be x

2x - 7 = 9

2x = 9 + 7

2x = 16

2x÷2 = 16÷2

x = 8

8x2

=16

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