Since you know both the slope and a point, use the point-slope form: y - y1 = m(x - x1)
m = -5/9 x1 = -1 y1 = 6 y - 6 = (-5/9)(x - -1)
y - 6 = (-5/9)(x + 1)
Multiply both sides by 9: 9(y - 6) = -5(x + 1)
Use the distributive property: 9y - 54 = -5x - 5
Simplify: 5x + 9y = 49