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Verified answer
Garis 2y + 2x = 3 memiliki gradienm1 = -2/2
m1 = -1
syarat sejajar
m1 = m2 = -1
pers. garis yang melalui titik (3,6) dan gradien -1 adalah
y - 6 = -1(x - 3)
y - 6 = -x + 3
y = -x + 3 + 6
y = -x + 9
atau dapat ditulis
x + y - 9 = 0