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26 September, 13:34

Add the equations.

3x - y = - 1

+ - 3x + 3y = 27

O A. 2y = 26

O B. - 2y=-28

O c. 4y = 28

O D. 6x - 4y = - 28

+1
Answers (2)
  1. 26 September, 13:50
    0
    Step-by-step explanation:

    3x - y = - 1

    -3x + 3y = 27

    2 y = 26

    When adding, 3x + (-3x) = 0

    3y - y = 2y

    27 - 1 = 26
  2. 26 September, 17:02
    0
    D

    3x+3x=6x

    y+3y=4y

    27+1=28
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