Question

How do you find the slope and y intercept for `x+y=4`?

Answer 1

First put `y` to one side, and the rest to the other.

`->y=-x+4=(-1)*x+4`
`->-1=` slope, `+4=`intercept
graph{4-x [-14.24, 14.25, -7.12, 7.12]}