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06-05-2016
Mathematics

contestada

What is the solution of this linear system?

3x + 5y = -1
2x − 5y = 16
(-3, 2)
(-3, -2)
(3, -2)
(2, -3)

Respuesta :

Panoyin Panoyin

07-05-2016

  3x + 5y = -1
  2x - 5y = 16
  5x = 15
5 5
  x = 3
  3x + 5y = -1
3(3) + 5y = -1
9 + 5y = -1
- 9   - 9
5y = -10
5 5
y = -2
  (x, y) = (3, -2)

The answer is C.

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