Romanxxxx
Romanxxxx Romanxxxx
  • 15-12-2021
  • Mathematics
contestada

Linear combination
-3+y=10
2x-7y=6

Respuesta :

jimrgrant1 jimrgrant1
  • 15-12-2021

Answer:

x = 42.5 , y = 13

Step-by-step explanation:

- 3 + y = 10 (add 3 to both sides )

y = 13

2x - 7y = - 6 → (1)

Substitute y = 13 into (1)

2x - 7(13) = - 6

2x - 91 = - 6 ( add 91 to both sides )

2x = 85 ( divide both sides by 2 )

x = 42.5

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