(y - y₁) = m(x - x₁)

m = tanθ

m = tan 135

m = -1

(x₁, y₁) = (-2, 3)

(y - 3) = -1[x - (-2)]

y - 3 = -1[x + 2]

y - 3 = -x -2

y =-x-2+3

y = -x + 1

(y - y₁) = m(x - x₁)

m = tanθ

m = tan 135

m = -1

(x₁, y₁) = (-2, 3)

(y - 3) = -1[x - (-2)]

y - 3 = -1[x + 2]

y - 3 = -x -2

y =-x-2+3

y = -x + 1

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