ciobotaionutmarian ciobotaionutmarian
  • 01-05-2020
  • Mathematics
contestada

{3x=7y=5
{5x-2y=-19

Respuesta :

mysticchacha
mysticchacha mysticchacha
  • 02-05-2020

Answer:

(-3, 2)

Step-by-step explanation:

{3x=7y=5

{5x-2y=-19

solve....

maybe it was  3x + 7y = 5

and  5x - 2y = -19

2*(3x + 7y = 5)

7*(5x - 2y = -19)

-------------

6x + 14y = 10

35x -14y = -133

41x = -123

x = -3

y = ...

5*(-3) - 2y = -19

-15 - 2y = -19

2y = 4

y = 2

(-3, 2)

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