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18 December, 00:14

Solve the system of equations.

2x - 2y = 6

3x + 2y = 9

A. x=0, y=3

B. x=3, y=0

C. x=1, y=-2

D. x=-2, y=-1

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Answers (1)
  1. 18 December, 00:58
    0
    2x-2y=6

    3x+2y=9

    You can eliminate - 2y and 2y because they add to 0.

    2x=6

    3x=9

    Combine:

    5x=15

    x=3

    Plug x into either of the equations to solve for y.

    3 (3) + 2y=9

    9+2y=9

    2y=0

    y=0

    Answer is B.
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