Explanation:
line a slope (x coefficient)= -2/3 
Parallel lines have the same slope and will never intersect.
line b slope = -2/3 
line equation = 
y =mx + b
m = slope
y= -2/3 x + b
from the point given (-2,1)
x = -2 
y = 1
1 = 4/3 + b 
b = -1/3 
b equation = 
y = (-2/3)x - (1/3)