anastasia0829 anastasia0829
  • 06-10-2020
  • Mathematics
contestada

Solve the following system of equations.
6x -5y=13 & 9y-15+2x=0

Respuesta :

Аноним Аноним
  • 06-10-2020
  • Answer:

x = 3

y = 1

  • Step-by-step explanation:

Hi !

6x - 5y = 13

9y - 15 + 2x = 0

6x - 5y = 13

2x + 9y = 15 | ×(-3)

6x - 5y = 13

- 6x - 27y = - 45

add

6x - 6x - 5y - 27y = 13 - 45

- 32y = - 32 | ×(-)

32y = 32

y = 1

replace y = 1

6x - 5(1) = 13

6x - 5 = 13

6x = 13 + 5

6x = 18

x = 3

Good luck !

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