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y = 2x -6
maka, m = 2
y -y₁ = m(x -x₁)
y -3 = 2(x -(-2))
y -3 = 2x +4
y = 2x +4 +3
y = 2x +7
2x -y +7 = 0
Jadi, jawabannya adalah a.
m = 2
karena sejajar, maka m = 2
(-2,3)
y-y1 = m(x-x1)
y-3 = 2 (x-(-2))
y-3 = 2 (x+2)
y-3 = 2x + 4
y = 2x + 4 + 3
y = 2x + 7
-2x + y - 7 = 0
2x - y + 7 = 0
jawaban : A