Question 687345
y=-3x+3

3	x	+	1	y  	=	3							
y=	-3      	x  +	3										
													
Assume values of x and plug in the equation to get values of y.													
Plot the points													
x	0	1											
y=	3	0											
(x,y)	(	0	,	3	),(	1	,	0														
{{{drawing(300,300,-10,10,-10,10,circle(0,3,0.3),circle(1,0,0.3),graph(300,300,-10,10,-10,10,y=-3x+3))}}}