melsanchez melsanchez
  • 20-01-2021
  • Mathematics
contestada

1. Twenty-one is equal to the sum of two x's plus nine and four tenths. What is x?

Respuesta :

cwrw238 cwrw238
  • 20-01-2021

Answer:

x = 5.8.

Step-by-step explanation:

2x + 9.4 = 21

2x = 21 - 9.4 = 11.6

x = 11.6 / 2

x = 5.8.

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