adelina57 adelina57

02-11-2020
Mathematics

contestada

6x + 5y = 4
6x - 7y = -20
Elimination method

Respuesta :

educationfas educationfas

03-11-2020

Answer:

12x -2y= -16

Step-by-step explanation:

6x + 5y = 4

+ 6x - 7y = -20

=

12x -2y = -16

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