griffintydreonn griffintydreonn

20-09-2018
Mathematics

contestada

Consider that (x, y) is a solution to the system of equations. What is x − y?

−x + 2y = 1
2x + y = 8

Respuesta :

vatac04 vatac04

20-12-2018

Answer:

The answer is 1

Step-by-step explanation:

2(−x + 2y = 1) → −2x + 4y = 2

−2x + 4y = 2

2x + y = 8

5y = 10

y = 2

2x + y = 8

2x + 2 = 8

x = 3

x − y = 3 − 2 = 1

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