cohey06 cohey06

11-02-2021
Mathematics

contestada

What is the solution to the system of equations?

y = –3x – 2

5x + 2y = 15

(–40, 19)
(–19, 55)
(19, –40)
(55, –19

Respuesta :

hig61590 hig61590

11-02-2021

(–19, 55)

Replacing y in the second equation gives;

5x+2(-3x-2)=15

5x-6x-4=15

-x-4=15

-x=19

x=-19

y=-3(-19)-2

y=57-2

y=55

(-19, 55)

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