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gradien = koefisien x
persamaan:
6x - 2y = 12
- 2y = -6x + 12
y = 6/2 x - 12/2
y = 3x - 6
m = 3
a. y = 3x - 1 ---> m = 3
b. 3x + 2y = 5
2y = -3x + 5
y = -3/2 x + 5/2 ---> m = -3/2
Jadi pers 6x - 2y = 12 sejajar dengan y = 3x - 1