Answer :

10x-3y=15, this will be:
(15/-3)+(-10/-3)x=y
-5+3x=y.
if you want to graph it, you will draw coefficient 3 in the graph as x=1 from x-axis and y=3 from y-axis. m=-5 in y-axis as graph intersect.
this is an exemple
View image Аноним