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01-03-2021
Mathematics

contestada

y=4x+3
2x-3y=21
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Respuesta :

02-03-2021

Step-by-step explanation:

y = 4x+3

2x-3y = 21

2x -3(4x+3) = 21

2x -12x -9 = 21

-10x = 21 + 9

-10x = 30

x = -3

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