Are the two lines parallel? Please show your work and explain how you know whether or not they are parallel: x + y = 1 and 3x + 3y = 9

Respuesta :

The easiest way would be to graph both of them on a coordinate plane. You can either use one online or on your own. When you do graph them, it shows the two lines ARE parallel. I hoped i could help you. Plz mark as brainlies im almost at 5 brainliest so plz mark as brainliest. Thank you very much!