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5 February, 23:51

3x - 2y = - 2

x + 3y = 14

To solve this system by substitution, which expression could be substituted for x?

A) 3y + 14

B) 3y - 14

C) - 3y + 14

D) - 3y - 14

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Answers (1)
  1. 6 February, 01:18
    0
    C

    Step-by-step explanation:

    2nd equation:

    x - 3y + 3y = 14-3y

    x = 14 - 3y

    solving for y:

    3 * (14-3y) - 2y = - 2

    y = 4

    y = 4 - > x = 2

    and you can fill in both values to check it
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