Question

How do you write x+y=9 in y=mx+b?

Answer 1

Explanation:

all you do is move everything to one side except for y

y = 9 - x

to write in mx + b form you just switch the order

y = -x + 9

(m is -1 but you don’t need to write the 1)

Answer 2

y=-x+9 is the correct answer