40 Points please help

Answer:
Slope = ⅓ Y-intercept = -2
Step-by-step explanation:
by transforming the equation to y= ⅓x -2
then it becomes Y= ⅓x +(-2)
then you should get m= ⅓ and b = -2
Step-by-step explanation:
(a)
y = mx + b
y = (1/3)x + (-2)
y = 1/3x - 2
(b)
x - 3y = 6
x - 3(0) = 6
x - 0 = 6
x = 6