Mathematics, 01.12.2020 19:50 caggh345

If 3x - 9y = 21 and 6x + 3y = 21, which of these could be a value of x or y? Select all that apply.

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If 3x - 9y = 21 and 6x + 3y = 21, which of these could be a value of x or y? Select all that apply....

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