tentukn persmaan garis yg melalui titik A( 1,4 ) dan sejajar dgn garis x + 3y = 1

Kelas 8 Matematika
Bab Persamaan Garis

ax + by = c, sejajar, (p, q)
ax + by = ap + bq

x + 3y = 1, sejajar, (1, 4)
x + 3y = 1 . 1 + 3 . 4
x + 3y = 1 + 12
x + 3y = 13