23-11-2020
Mathematics

contestada

3x + 4y = 9
3x - 4y = 12

Respuesta :

aymancadey2010 aymancadey2010

23-11-2020

Step-by-step explanation:

+ 3x + 4y: 12

3x _ 4y: 9

9x _ 0: 3

3: 9x : 3

3 3

Answer Link

venicebradford596 venicebradford596

04-02-2021

Answer:

Step-by-step explanation:

3x-4y=12

Answer Link

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