Respuesta :
standard form is ax+by=c (some people say it is ax+by+c=0 but whatever)
normally a is positive
y=2x-6
minus 2x
-2x+y=-6
times -1
2x-y=6
normally a is positive
y=2x-6
minus 2x
-2x+y=-6
times -1
2x-y=6