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Elimination#2
供稿人: Andrews
(原作者: Bennett)

answer must be written as an ordered pair

5x + y = -15

-5x + 5y =15

answer must be written as an ordered pair

_3x - 3y = 18

3x - 2y = -13

answer must be written as an ordered pair

 

-2x + 4y = 0

2x + 2y =12

answer must be written as an ordered pair

-4x + 12y = 0

3x + 6y = -15

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