hannichu hannichu
  • 13-11-2019
  • Mathematics
contestada

1. (3, 1); x + y = 4
2x - y = 3​

Respuesta :

Lost03 Lost03
  • 13-11-2019

Answer:

x = 7/3 y = 5/3

Step-by-step explanation:

x + y = 4 Rearrange it to make y the subject

y = 4 - x

2x - y = 3 substitute in rearranged value for y

2x - (4 - x) = 3

3x - 4 = 3

3x = 7

x = 7/3

Substitute into equation 1

7/3 + y = 4

y = 5/3

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