Answer:
y=-2x+5
Explanation:
ok an easy way to tell is on the y axis when x=0 the lnumber that y is,is the regualar number. Then if you go down and over till you get another point is you x. down is like 2x but if you went over 3 it would be 2/3x but since you only going over once it is just 2x. and the minus is because your going down