In the equation 2x â€“ cy = 18, c is a constant. If the value of y is 2 when x is 6, what is the value of x when y is 6 ?
Select
A) 0	B) -4	C) -3	D) 4	E) 9/2
2x - cy = 18   x=6, y=2;   12-2c=18   c=-3   2x-cy=18   when y=6, c=-3, x=   x=0   0NSWER:0
<result>A</result>
In the equation 2x â€“ cy = 18, c is a constant. If the value of y is 2 when x is 6, what is the value of x when y is 6 ?