## Calculus 10th Edition

$5x + 3y = -1$ Isolate y to one side: $y = (\frac{1}{3})(-5x-1)$ $x-y=-5$ Isolate y to one side: $y=x+5$ Set two equations equal to each other $(\frac{1}{3})(-5x-1) =x+5$ $-5x-1=3x+15$ $-16=8x$ $-2=x$ Substitude $x=-2$ into $y=x+5$ $y=-2+5$ $y=3$ Point (-2,3)