rachelmanuli rachelmanuli

16-10-2021
Mathematics

contestada

3(r + 3.2) + 1 = 19.9 =

Respuesta :

spyke59 spyke59

16-10-2021

Answer: r = 3.2666 or 3.3

Step-by-step explanation:

use the distributive property

3r +9. 6 + 1 = 19.9

3r + 10.1 = 19.9

- 10.1 - 10.1

3r = 9.8

3r/3 = 9.8/3

r = 3.2666

3.3

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