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m1 gradien garis awal
6x-4y+2=0
rumus: -x/y
m1= -6/-4 = 3/2
jadi,
3/2 x m2 = -1
m2= -2/3
masukkin ke rumus persamaan garis
y-y1=m(x-x1) dgn (x1,y1)nya (4,-1)
y-(-1)=-2/3(x-4)
——————— x3
3y+3 = -2(x-4)
3y+3 = -2x+8
3y+2x-5=0
atau
3y+2x=5
bentuknya tinggal dipindah2 yaaa
tegaklurus jd -4/6
y-y1 = m(x-x1)
y-(-1) = -4/6 (x-4) ... pndah ruas 6 nya
6(y+1) = -4(x-4)
6y+6 = -4x+16
4x+6y= 16-6
4x+6y = 10