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memotong sumbu X di titik A
persamaan garis tegak lurus garis g dan melalui A?
memotong sumbu X, jadi Y=0
2x+3.0-8=0
2x = 8
x = 4
persamaan garis tegak lurus
tegak lurus,
m = b/a
m = 3/2
jadi
y-y1 = m (x-x1)
y-0 = 3/2 (x-4)
y = 3/2 (x-4)
semua dikali 2
2y = 3 (x-4)
2y = 3x - 12
jadi
3x-2y = 12