carealee
carealee carealee
  • 23-01-2018
  • Mathematics
contestada

Which ordered pair is a solution to the system of equations?

{4x+y=2
{−2x+y=5




(−1/2, 4)

(1, −2)

(2, −6)

(7/2, −12)

Respuesta :

choixongdong
choixongdong choixongdong
  • 23-01-2018
{4x + y = 2 
{−2x + y = 5
--------------------subtract
6x = -3
  x = -1/2

4x + y = 2 
4(-1/2) + y = 2 
-2 + y = 2
y = 4

x = -1/2 and y = 4

answer
(−1/2, 4)
Answer Link
nadiaallen23
nadiaallen23 nadiaallen23
  • 05-01-2022

Answer:

The answer is A. (-1/2, 4)

good luck!

Answer Link

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