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December 19, 2014

December 19, 2014

Posted by **tanya** on Monday, February 6, 2012 at 7:53pm.

- algebraic equation and inaqualities -
**Anonymous**, Tuesday, February 7, 2012 at 5:12amY = X+40

Z = 3X-10

X+Y+Z = 180

X + X+40 + 3X-10 = 180

5X = 150

X = 30

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