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Let P=(a,b) be the point of intersection of the line \(y=2x-10\) and the line through (7,8) and (9,0). Compute a+b.

 Jul 31, 2020
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The intersection is (a,b) = (5,-3), so a + b = 5 + (-3) = 2.

 Aug 3, 2020

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