Correct Answer: Option C

Explanation

m = tan 135^o = -tan 45^o = -1

\(\frac{y - y_1}{x - x_1}\) = m

\(\frac{y - 3}{x - 2}\) = -1

= y - 3 = -(x - 2)

= -x + 2

x + y = 5

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