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2x - 2y + 2z = 16
4x - y - z = -19
5x + y - 3z = -30
Answers: 2
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Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?
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What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7
Answers: 1
2x - 2y + 2z = 16
4x - y - z = -19
5x + y - 3z = -30...
4x - y - z = -19
5x + y - 3z = -30...
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