Answer:
A. y = 2/3x + 3 --> 2x - 3y = -9
B. 6 - y = -5x + 8 --> 5x - y = 2
C. y - 3 = 4(x - 3) --> 4x - 9 = y
D. -7/6x + 1 = y --> 7x + 6y = 6