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

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

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pinsydney88 pinsydney88

10-11-2018

The answer is A, (3,-1)

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