Mathematics, 19.07.2019 04:30, jenescobedo

If a + b = -6 and x + y + z = -2, what is 8a - 7x - 7z - 7y + 8b

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If a + b = -6 and x + y + z = -2, what is 8a - 7x - 7z - 7y + 8b...