Question

Graph this equation 3x+4y=12

Answer 1

`3x+4y=12 \ \ |\ subtract\ 3x\ to\ both\ sides \\\\ 4y=-3x+12 \ \ | \ divide \ both \ sides\ by\ 4\\\\ y=-(3)/(4)x+3\\\\x=-4 \ \ \to \ \ y= -(3)/(4)x+3=-(3)/(4) \cdot (-4)+3=3+3=6\\\\x=8 \ \ \to \ \ y= -(3)/(4)x+3=-(3)/(4) \cdot8+3=-6+3=-3`