rogerszoe2003 rogerszoe2003
  • 05-02-2020
  • Mathematics
contestada

Solve each system of equation. x + y = 4
3x – 2y = 7​

Respuesta :

emmaneedshelp34
emmaneedshelp34 emmaneedshelp34
  • 05-02-2020
x equals 3 y equals 1
Answer Link
LMarianna LMarianna
  • 05-02-2020

eliminating y

x + y = 4 .......... x 2

3x - 2y = 7 ...... x 1

2x + 2y = 8

3x - 2y = 7

_________ +

5x = 15

x = 3

substitute

x + y = 4

3 + y = 4

y = 1

.

.

x = 3 and y = 1

Answer Link

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