shawn8834 shawn8834

20-12-2019
Mathematics

contestada

6 = -4x + y
-5x - y = 21
Please Help Fast!!!!!! Substitution

Respuesta :

meredith48034 meredith48034

25-12-2019

Answer:

y = 4x + 6

-5x - 4x - 6 = 21

-9x - 6 = 21

-9x = 27

x = -3

y - 4(-3) = 6

y + 12 = 6

y = -6

(-3, -6)

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