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28 June, 15:08

Solve the following system by graphing.

x - y = 4

x + y = 2

What is the solution of the system?

A) (3, - 1)

B) (3, 1)

C) (-1, 3)

+4
Answers (2)
  1. 28 June, 18:38
    0
    A

    Step-by-step explanation:

    3 - - 1 = 4

    3 + - 1 = 2
  2. 28 June, 18:39
    0
    A. (3,-1)

    Step-by-step explanation:

    x - y = 4

    x + y = 2

    2x = 6

    x = 3

    3 - y = 4

    y = - 1

    Draw two straight lines passing through:

    1) (0,-4) and (4,0)

    2) (0,2) and (2,0)

    You'll see that the two intersect at: (3,-1)
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