03-03-2018
Mathematics

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The point of intersection of the lines has an e-coordinate of?

The point of intersection of the lines has an ecoordinate of class=

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Аноним Аноним

03-03-2018

use the substitution method
use the first equation, let y = k - x
plug y = k - x into the second equation
==> 2x + 3(k - x) = k + 1
==> 2x + 3k - 3x = k + 1
==> -x = k - 3k + 1
==> -x = -2k + 1
==> x = 2k - 1 is the answer

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03-03-2018

x = 2k - 1 is the answer

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