deerman8020 deerman8020

14-01-2022
Mathematics

contestada

add the equations
3x- y= -1
+ -3x + 3y =27

Respuesta :

arsemameda24 arsemameda24

16-01-2022

Answer:

2y=26, y=13

3x-(13)= -1, 3x=12, x=4

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