Método de sustitución by https://padlet.com/calbertobf/Bookmarks Resolver el sistema de ecuaciones en-us 2021-12-07 18:50:10 UTC 2024-01-31 22:52:39 UTC hello@padlet.com Sistema de ecuaciones calbertobf https://padlet.com/calbertobf/Bookmarks/wish/2270661747 x + y  = 45 (1)

x – y =  21  (2)


]]> 2022-08-24 23:05:44 UTC https://padlet.com/calbertobf/Bookmarks/wish/2270661747 1 https://padlet.com/calbertobf/Bookmarks/wish/2723959023 x + y  = 45 (1)

x – y =  21  (2)


x=45-y

(45-y)-y=21

45-y-y=21

-2y=21-45

-2y=-24

y=-24/-2

y=12


x+12=45

x=45-12

x=33







]]> 2023-09-28 01:33:04 UTC https://padlet.com/calbertobf/Bookmarks/wish/2723959023