What equation represents the line that passes through (-6,7) and (-3,6)

Equation is given by y - y1 = m (x - x1); where m is given by (y2 - y1) / (x2 - x1)

y - 7 = (6 - 7) / (-3 - (-6)) (x - (-6))

y - 7 = - 1 / (-3 + 6) (x + 6)

y - 7 = - 1/3 (x + 6)