4 + -1 = 3
Or -1 - 4 = -5
I would put 3.
Y=3x-9
0=3x-9
-3x=-9
x=3
X-int = 3
Did you ever get the answer?
Find the Greatest Common Factor of both numbers which is 5. Then divide the numerator by 5 and the denominator by 5 and you will get 5/16 as the simplest form