lakehannah996 lakehannah996
  • 12-02-2020
  • Mathematics
contestada

what is ---
8x + 2y = 30
7x + 2y = 24

Respuesta :

NathanLindsay
NathanLindsay NathanLindsay
  • 12-02-2020

Answer:

x = 6 y = -9

Step-by-step explanation:

8x +2y = 30

-7x + 2y =24

x= 6

8(6)

48 + 2y =30

-48. -48

2y = -18

÷2. ÷2

y = -9

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