Question

What graphs does this system for equations go on ?
y=1/2x
y=1/2x-6

Answer 1

y=12x;y=12x−6

Step: Solvey=12xfor y:

y=12x

Step: Substitute12xforyiny=12x−6:

y=12x−6

12x=12x−6

12x+−12x=12x−6+−12x(Add (-1)/2x to both sides)

0=−6