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Verified answer
1) y = ½ x + 2m = ½
sejajar m1 = m2
pers garis
y - y1 = m (x - x1)
y - 4 = ½ (x - 2)
y = ½ x - 1 + 4
y = ½ x + 3
2) 3x + y - 1 = 0
y = - 3x + 1
m = - 3
sejajar m1 = m2 = - 3
pers garis
y - y1 = m (x - x1)
y + 5 = - 3 (x - 2)
y = - 3x + 6 - 5
y + 3x = 1
3) 6x - 2y + 3 = 0
- 2y = - 6x - 3
m = - 6/ - 2
m = 3
sejajar m1 = m2 = 3
pers garis
y - y1 = m (x - x1)
y + 3 = 3 (x + 2)
y = 3x + 6 - 3
y - 3x = 3