# How do you write an equation with slope of -3 and x-intercept of 3?

Nov 19, 2016

$3 x + y - 9 = 0$

#### Explanation:

The form is x = y/(slope)+(x-intercept) on par with the usual

y = x (slope) + (y-intercept) form

Here, this becomes

$x = - \frac{y}{3} + 3$ that givesr

$3 x + y - 9 = 0$