ricardogc222 ricardogc222

16-06-2021
Mathematics

contestada

(x) 3 5 7
(y) 7 11 15

Find x, when y = 21

Respuesta :

thewhitebloodcell thewhitebloodcell

19-06-2021

Answer:

x = 10

Step-by-step explanation:

y = 2x + 1

21 = 2x + 1

21 - 1 = 2x

2x = 20

x = 10

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