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Mathematics, 05.11.2020 22:20 Maria3737

-5x - 5y = 10 ??? 6x + 3y = -30
4x + y = -2 ??
x + y = 1 ???
what is X and Y !!

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-5x - 5y = 10 ??? 6x + 3y = -30
4x + y = -2 ??
x + y = 1 ???
what is X and Y !!...
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