janelledurden janelledurden

17-11-2020
Mathematics

contestada

4x + 3y = 1
12x– 9y=4

Respuesta :

Fireman70 Fireman70

17-11-2020

Answer:

x = 7/24 y = -1/18

Step-by-step explanation:

3y = -4x + 1

y = (-4/3)x + (1/3)

*plug into the other equation

12x - 9(-4/3x + 1/3) = 4

12x + 12x - 3 = 4

24x = 7

x = 7/24

*now plug into original equation

y = (-4/3)(7/24) + 1/3

y = -1/18

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