Question

Write in function form
X+y=6..?

Answer 1

function form being slope-intercept?

y=-x+6

Answer 2

$x+y=6\ \ \ \ /-x\\\\y=-x+6\\\\for\ x=0\to y=-0+6=6\to(0;\ 6)\\\\for\ x=6\to y=-6+6=0\to(6;\ 0)$