slope of x+y=-3 — step-by-step solution

⇥Let's solve in

ℝ

x + y = -3

⇥

y = - 3 - x

⇥Solution found:

y = - x - 3

The slope-intercept form is

y = m x + b

: the slope is

-1

and the y-intercept is

-3

▶Slope:

-1