Question

X+2y=1300=>x=1300-2y x+3y=1300=>1300-2y=1300-3y=>2y=3y=>2=3. Does this mean that graphs of x+2y=1300 and x+3y=1300 are parallel?

Answer 1

no but these two given equation of lines have no relation there it will be x1 ,y1,x2 and y2

Answer 2

X+2y=1300=>x=1300-2y