Michael wrote the system of equations below, but he accidentally left out the coefficient of x in the first equation.
y = ? x – 2
3y = 15x – 6
if the system has infinitely many solutions, what must the missing value be?
a. 2
b. 3
c. 5
d. 9

I think it is c not sure though oh well sorry dont know the answer for sure 

C. i think it is step 3

Ifound this on google “that means that the graph of a function with direct variation has these features: it is a straight line: because the slope is the ratio y/x = k. it passes through the origin (0,0): because y = kx = k (0) = 0.” i hope this you for what your looking for