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QUESTION

2x − 2y + 10z = 6 4x − 2y + 16z = 7 3x −

2x − 2y + 10z = 6

4x − 2y + 16z = 7

3x − 2y + 14z = −4

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ANSWER

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in *** we get * * ** * **

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10 ******** = ** 64 * 2y *

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* 6 ** * **** * * *****

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