thomasrama2011oszdn9 thomasrama2011oszdn9
  • 20-07-2017
  • Mathematics
contestada

Solve the following system by graphing.

x - y = 4
x + y = 2

What is the solution of the system?

(3, -1)
(3, 1)
(-1, 3)

Respuesta :

ghanami
ghanami ghanami
  • 24-07-2017
hello : 
the solution is : (3, -1)
put  x= 3 and y = -1
you have : 3-(-1) = 4   and  3+(-1) = 2 ..... right
Answer Link
pinsydney88 pinsydney88
  • 10-11-2018

The answer is A, (3,-1)

Answer Link

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