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19-04-2021
Mathematics

contestada

(4x+12) (7y-8)
(7y+20)
120*

4x12 7y8 7y20 120 class=

Respuesta :

19-04-2021

Answer:

12, 12

Step-by-step explanation:

4x+12=60

x=12

7y-8+7y+20=180

14y=180-12

y=168/14

y=12

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