20254010 20254010

17-12-2020
Mathematics

contestada

-3x - 3y = 3
y = -5x - 17
(solve by substitution)

Respuesta :

2022110 2022110

17-12-2020

Answer:

X = -4, y = 3

Step-by-step explanation:

Plug it in

-3x - 3(-5x - 17) = 3

-3x + 15x + 51 = 3

12x + 51 = 3

12x = -48

x = -4

plug it in to find y

Y = -5(-4) -17

y = 20 - 17

y = 3

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