Answer:
y = -x + 9
Explanation:
First, let's understand what slope-intercept form is. Slope-intercept form is y=mx+b, where m is the slope and b is the y-intercept. To turn the equation given to us into slope-intercept form, we need to make it so that y is on one side all by itself. So, let's do just that!
x + y = 9 [Subtract x from both sides]
y = -x + 9
There, we now have our equation in slope-intercept form. From this equation, we can tell that the slope is -1 and that the y-intercept is 9.
If this answer helped you, please leave a thanks!
Have a GREAT day!!!