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\left. \begin array c z %2B K = \varepsilon %2B K z \\ z = L - x \varepsilon \end array \right. |
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Answer» 3x - 7 = 23x = 9x = 9/3 = 3 2y + 3 = y + 22y - y = 2 - 3y = - 1 |
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