belengarcia1008
belengarcia1008 belengarcia1008
  • 19-05-2020
  • Mathematics
contestada

i need help with this question

i need help with this question class=

Respuesta :

mahesh11
mahesh11 mahesh11
  • 19-05-2020

Answer:

D (9, 10)

Step-by-step explanation:

-8x + 7y = -2 --(1)

-8x + 8y = 8  --(2)

(2)-(1) y = 10

Therefore -8x = 8 - 80 = -72

x = 9

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