Change the equations of the lines so that the coefficient of [[$ x $]] becomes a positive number.

a) [[$ –x + y + 2 = 0 $]]

Answer: = 0

b) [[$ –2x – 3y – 1 = 0 $]]

Answer: = 0

c) [[$ –5x + 2y – 3 = 0 $]]

Answer: = 0

d) [[$ –x – 8y = 0 $]]

Answer: = 0