Persamaan garis melalui titik (-1,4) dan (1,3) adalah.. (mohon dijawabkan yaah) PLEASE

( y - y1) / ( y2 - y1) = ( x - x1) / ( x2 - x1)
( y - 4) / (3 - 4) = ( x + 1) / ( 1 + 1)
( y - 4) / - 1 = ( x + 1) / 2
2 ( y - 4) = - 1 ( x + 1)
2y - 8 = - x - 1
2y + x = - 1 + 8
2y + x = 7

jadi pers garisnya
2y + x = 7